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Posz : nat >-> int.
Coercion
Posz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int", "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
NegzE (n : nat) : Negz n = - n.+1.
Proof. by []. Qed.
Lemma
NegzE
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
int_rect (P : int -> Type) : P 0 -> (forall n : nat, P n -> P (n.+1)) -> (forall n : nat, P (- n) -> P (- (n.+1))) -> forall n : int, P n.
Proof. by move=> P0 hPp hPn []; elim=> [|n ihn]//; do ?[apply: hPn | apply: hPp]. Qed.
Lemma
int_rect
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "P0", "apply", "int", "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
int_rec
:= int_rect.
Definition
int_rec
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int_rect" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
int_ind
:= int_rect.
Definition
int_ind
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int_rect" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
int_spec (x : int) : int -> Type
:= | ZintNull of x = 0 : int_spec x 0 | ZintPos n of x = n.+1 : int_spec x n.+1 | ZintNeg n of x = - (n.+1)%:Z : int_spec x (- n.+1).
Variant
int_spec
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
intP x : int_spec x x.
Proof. by move: x=> [] []; constructor. Qed.
Lemma
intP
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int_spec" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
addzC : commutative addz.
Proof. by move=> [] m [] n //=; rewrite addnC. Qed.
Lemma
addzC
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addnC", "addz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
add0z : left_id 0 addz.
Proof. by do 2?case. Qed.
Lemma
add0z
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
oppzK : involutive oppz.
Proof. by do 2?case. Qed.
Lemma
oppzK
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "oppz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
oppzD : {morph oppz : m n / m + n}.
Proof. by move=> [[|n]|n] [[|m]|m] /=; rewrite ?addn0 ?subn0 ?addnS //; rewrite !NegzE !ltnS !subSS; case: ltngtP => [?|?|->]; rewrite ?subnn // ?oppzK ?subnS ?prednK // subn_gt0. Qed.
Lemma
oppzD
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "NegzE", "addn0", "addnS", "ltnS", "ltngtP", "oppz", "oppzK", "prednK", "subSS", "subn0", "subnS", "subn_gt0", "subnn" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
add1Pz (n : int) : 1 + (n - 1) = n.
Proof. by case: (intP n)=> // n' /= _; rewrite ?(subn1, addn0). Qed.
Lemma
add1Pz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addn0", "int", "intP", "n'", "subn1" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
subSz1 (n : int) : 1 + n - 1 = n.
Proof. by apply: (inv_inj oppzK); rewrite addzC !oppzD oppzK [_ - n]addzC add1Pz. Qed.
Lemma
subSz1
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "add1Pz", "addzC", "apply", "int", "oppzD", "oppzK" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
addSnz (m : nat) (n : int) : m.+1%N + n = 1 + (m + n).
Proof. move: m n=> [|m] [] [|n] //=; rewrite ?add1n ?subn1 // !(ltnS, subSS). case: ltngtP=> hnm /=; rewrite ?hnm ?subnn //. by rewrite subnS add1n prednK ?subn_gt0. by rewrite ltnS leqn0 subn_eq0 leqNgt hnm /= subnS subn1. Qed.
Lemma
addSnz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "add1n", "int", "leqNgt", "leqn0", "ltnS", "ltngtP", "nat", "prednK", "subSS", "subn1", "subnS", "subn_eq0", "subn_gt0", "subnn" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
addSz (m n : int) : (1 + m) + n = 1 + (m + n).
Proof. case: m => [] m; first by rewrite -PoszD add1n addSnz. rewrite !NegzE; apply: (inv_inj oppzK). rewrite !oppzD !oppzK addSnz [-1%:Z + _]addzC addSnz add1Pz. by rewrite [-1%:Z + _]addzC subSz1. Qed.
Lemma
addSz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "NegzE", "PoszD", "add1Pz", "add1n", "addSnz", "addzC", "apply", "int", "oppzD", "oppzK", "subSz1" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
addPz (m n : int) : (m - 1) + n = (m + n) - 1.
Proof. by apply: (inv_inj oppzK); rewrite !oppzD oppzK [_ + 1]addzC addSz addzC. Qed.
Lemma
addPz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addSz", "addzC", "apply", "int", "oppzD", "oppzK" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
addzA : associative addz.
Proof. elim=> [|m ihm|m ihm] n p; first by rewrite !add0z. by rewrite -add1n PoszD !addSz ihm. by rewrite -add1n addnC PoszD oppzD !addPz ihm. Qed.
Lemma
addzA
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "PoszD", "add0z", "add1n", "addPz", "addSz", "addnC", "addz", "oppzD" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
addNz : left_inverse (0:int) oppz addz.
Proof. by do 3?elim. Qed.
Lemma
addNz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addz", "int", "oppz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
predn_int (n : nat) : 0 < n -> n.-1%:Z = n - 1.
Proof. by case: n => //= n _; rewrite subn1. Qed.
Lemma
predn_int
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "nat", "subn1" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
Mixin
:= GRing.isZmodule.Build int addzA addzC add0z addNz.
Definition
Mixin
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Build", "add0z", "addNz", "addzA", "addzC", "int" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
PoszD : {morph Posz : n m / (n + m)%N >-> n + m}.
Proof. by []. Qed.
Lemma
PoszD
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Posz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
NegzE (n : nat) : Negz n = -(n.+1)%:Z.
Proof. by []. Qed.
Lemma
NegzE
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
int_rect (P : int -> Type) : P 0 -> (forall n : nat, P n -> P (n.+1)%N) -> (forall n : nat, P (- (n%:Z)) -> P (- (n.+1%N%:Z))) -> forall n : int, P n.
Proof. by move=> P0 hPp hPn []; elim=> [|n ihn]//; do ?[apply: hPn | apply: hPp]. Qed.
Lemma
int_rect
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "P0", "apply", "int", "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
int_spec (x : int) : int -> Type
:= | ZintNull : int_spec x 0 | ZintPos n : int_spec x n.+1 | ZintNeg n : int_spec x (- (n.+1)%:Z).
Variant
int_spec
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
intP x : int_spec x x.
Proof. by move: x=> [] [] *; rewrite ?NegzE; constructor. Qed.
Lemma
intP
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "NegzE", "int_spec" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
oppzD
:= @opprD int.
Definition
oppzD
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int", "opprD" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
subzn (m n : nat) : (n <= m)%N -> m%:Z - n%:Z = (m - n)%N.
Proof. elim: n=> //= [|n ihn] hmn; first by rewrite subr0 subn0. rewrite subnS -addn1 !PoszD opprD addrA ihn 1?ltnW //. by rewrite intZmod.predn_int // subn_gt0. Qed.
Lemma
subzn
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "PoszD", "addn1", "addrA", "ltnW", "nat", "opprD", "predn_int", "subn0", "subnS", "subn_gt0", "subr0" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
subzSS (m n : nat) : m.+1%:Z - n.+1%:Z = m%:Z - n%:Z.
Proof. by elim: n m=> [|n ihn] m //; rewrite !subzn. Qed.
Lemma
subzSS
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "nat", "subzn" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulz (m n : int)
:= match m, n with | Posz m', Posz n' => (m' * n')%N%:Z | Negz m', Negz n' => (m'.+1%N * n'.+1%N)%N%:Z | Posz m', Negz n' => - (m' * (n'.+1%N))%N%:Z | Negz n', Posz m' => - (m' * (n'.+1%N))%N%:Z end.
Definition
mulz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Posz", "int", "n'" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"*%Z"
:= (@mulz) : int_scope.
Notation
*%Z
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "mulz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"x * y"
:= (mulz x y) : int_scope.
Notation
x * y
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "mulz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mul0z : left_zero 0 *%Z.
Proof. by case=> [n|[|n]] //=; rewrite muln0. Qed.
Lemma
mul0z
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "muln0" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulzC : commutative mulz.
Proof. by move=> [] m [] n //=; rewrite mulnC. Qed.
Lemma
mulzC
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "mulnC", "mulz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulz0 : right_zero 0 *%Z.
Proof. by move=> x; rewrite mulzC mul0z. Qed.
Lemma
mulz0
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "mul0z", "mulzC" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulzN (m n : int) : (m * (- n))%Z = - (m * n)%Z.
Proof. by case: (intP m)=> {m} [|m|m]; rewrite ?mul0z //; case: (intP n)=> {n} [|n|n]; rewrite ?mulz0 //= mulnC. Qed.
Lemma
mulzN
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int", "intP", "mul0z", "mulnC", "mulz0" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulNz (m n : int) : ((- m) * n)%Z = - (m * n)%Z.
Proof. by rewrite mulzC mulzN mulzC. Qed.
Lemma
mulNz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int", "mulzC", "mulzN" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulzA : associative mulz.
Proof. by move=> [] m [] n [] p; rewrite ?NegzE ?(mulnA,mulNz,mulzN,opprK) //= ?mulnA. Qed.
Lemma
mulzA
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "NegzE", "mulNz", "mulnA", "mulz", "mulzN", "opprK" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mul1z : left_id 1%Z mulz.
Proof. by case=> [[|n]|n] //=; rewrite ?mul1n// plusE addn0. Qed.
Lemma
mul1z
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addn0", "mul1n", "mulz", "plusE" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulzS (x : int) (n : nat) : (x * n.+1%:Z)%Z = x + (x * n)%Z.
Proof. by case: (intP x)=> [|m'|m'] //=; [rewrite mulnS|rewrite mulSn -opprD]. Qed.
Lemma
mulzS
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int", "intP", "mulSn", "mulnS", "nat", "opprD" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulz_addl : left_distributive mulz (+%R).
Proof. move=> x y z; elim: z=> [|n|n]; first by rewrite !(mul0z,mulzC). by rewrite !mulzS=> ->; rewrite addrACA. by rewrite !mulzN !mulzS -!opprD addrACA => /oppr_inj->. Qed.
Lemma
mulz_addl
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addrACA", "mul0z", "mulz", "mulzC", "mulzN", "mulzS", "opprD", "oppr_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
nonzero1z : 1%Z != 0.
Proof. by []. Qed.
Lemma
nonzero1z
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
comMixin
:= GRing.Zmodule_isComNzRing.Build int mulzA mulzC mul1z mulz_addl nonzero1z.
Definition
comMixin
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Build", "int", "mul1z", "mulzA", "mulzC", "mulz_addl", "nonzero1z" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
PoszM : {morph Posz : n m / (n * m)%N >-> n * m}.
Proof. by []. Qed.
Lemma
PoszM
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Posz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
NegzS (n : nat) : Negz n.+1 = Negz n - 1.
Proof. by rewrite !NegzE -opprD -PoszD addn1. Qed.
Lemma
NegzS
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "NegzE", "PoszD", "addn1", "nat", "opprD" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
Negz_doubleS (n : nat) : Negz n.*2.+1 = 2 * Negz n.
Proof. by rewrite !NegzE -doubleS -mul2n PoszM -mulrN. Qed.
Lemma
Negz_doubleS
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "NegzE", "PoszM", "doubleS", "mul2n", "mulrN", "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
intS (n : nat) : n.+1%:Z = 1 + n%:Z.
Proof. by rewrite -PoszD. Qed.
Lemma
intS
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "PoszD", "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
predn_int (n : nat) : (0 < n)%N -> n.-1%:Z = n%:Z - 1.
Proof. exact: intZmod.predn_int. Qed.
Lemma
predn_int
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
unitz
:= [qualify a n : int | (n == 1) || (n == -1)].
Definition
unitz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
invz n : int
:= n.
Definition
invz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulVz : {in unitz, left_inverse 1%R invz *%R}.
Proof. by move=> n /pred2P[] ->. Qed.
Lemma
mulVz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "invz", "pred2P", "unitz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulzn_eq1 m (n : nat) : (m * n == 1) = (m == 1) && (n == 1).
Proof. by case: m => m /=; [rewrite -PoszM [_==_]muln_eq1 | case: n]. Qed.
Lemma
mulzn_eq1
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "PoszM", "muln_eq1", "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
unitzPl m n : n * m = 1 -> m \is a unitz.
Proof. rewrite qualifE => /eqP. by case: m => m; rewrite ?NegzE ?mulrN -?mulNr mulzn_eq1 => /andP[_ /eqP->]. Qed.
Lemma
unitzPl
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "NegzE", "mulNr", "mulrN", "mulzn_eq1", "unitz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
invz_out : {in [predC unitz], invz =1 id}.
Proof. exact. Qed.
Lemma
invz_out
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "id", "invz", "unitz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
idomain_axiomz m n : m * n = 0 -> (m == 0) || (n == 0).
Proof. by case: m n => [[|m]|m] [[|n]|n]. Qed.
Lemma
idomain_axiomz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
comMixin
:= GRing.ComNzRing_hasMulInverse.Build int mulVz unitzPl invz_out.
Definition
comMixin
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Build", "int", "invz_out", "mulVz", "unitzPl" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
absz m
:= match m with Posz p => p | Negz n => n.+1 end.
Definition
absz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Posz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"m - n"
:= (@GRing.add int m%N (@GRing.opp int n%N)) : distn_scope.
Notation
m - n
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "add", "int", "opp" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"`| m |"
:= (absz m) : nat_scope.
Notation
`| m |
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "absz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
normz m
:= (absz m)%:Z.
Notation
normz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "absz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez m n
:= match m, n with | Posz m', Posz n' => (m' <= n')%N | Posz m', Negz n' => false | Negz m', Posz n' => true | Negz m', Negz n' => (n' <= m')%N end.
Definition
lez
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Posz", "n'" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltz m n
:= match m, n with | Posz m', Posz n' => (m' < n')%N | Posz m', Negz n' => false | Negz m', Posz n' => true | Negz m', Negz n' => (n' < m')%N end.
Definition
ltz
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Posz", "n'" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez_add m n : lez 0 m -> lez 0 n -> lez 0 (m + n).
Proof. by case: m n => [] m [] n. Qed.
Fact
lez_add
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lez" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez_mul m n : lez 0 m -> lez 0 n -> lez 0 (m * n).
Proof. by case: m n => [] m [] n. Qed.
Fact
lez_mul
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lez" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez_anti m : lez 0 m -> lez m 0 -> m = 0.
Proof. by case: m; first case. Qed.
Fact
lez_anti
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lez" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
subz_ge0 m n : lez 0 (n - m) = lez m n.
Proof. case: (intP m); case: (intP n)=> // {}m {}n /=; rewrite ?ltnS -?opprD ?opprB ?subzSS; case: leqP=> // hmn; by [ rewrite subzn // | rewrite -opprB subzn ?(ltnW hmn) //; move: hmn; rewrite -subn_gt0; case: (_ - _)%N]. Qed.
Lemma
subz_ge0
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "intP", "leqP", "lez", "ltnS", "ltnW", "opprB", "opprD", "subn_gt0", "subzSS", "subzn" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez_total m n : lez m n || lez n m.
Proof. by move: m n => [] m [] n //=; apply: leq_total. Qed.
Fact
lez_total
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "apply", "leq_total", "lez" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
normzN m : normz (- m) = normz m.
Proof. by case: m => // -[]. Qed.
Fact
normzN
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "normz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
gez0_norm m : lez 0 m -> normz m = m.
Proof. by case: m. Qed.
Fact
gez0_norm
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lez", "normz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltz_def m n : (ltz m n) = (n != m) && (lez m n).
Proof. by move: m n => [] m [] n //=; rewrite (ltn_neqAle, leq_eqVlt) // eq_sym. Qed.
Fact
ltz_def
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "eq_sym", "leq_eqVlt", "lez", "ltn_neqAle", "ltz" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
Mixin
:= Num.IntegralDomain_isLeReal.Build int lez_add lez_mul lez_anti subz_ge0 (lez_total 0) normzN gez0_norm ltz_def.
Definition
Mixin
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Build", "gez0_norm", "int", "lez_add", "lez_anti", "lez_mul", "lez_total", "ltz_def", "normzN", "subz_ge0" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez_nat m n : (m <= n :> int) = (m <= n)%N.
Proof. by []. Qed.
Lemma
lez_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltz_nat m n : (m < n :> int) = (m < n)%N.
Proof. by rewrite ltnNge ltNge lez_nat. Qed.
Lemma
ltz_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int", "lez_nat", "ltNge", "ltnNge" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltez_nat
:= (lez_nat, ltz_nat).
Definition
ltez_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lez_nat", "ltz_nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
leNz_nat m n : (- m%:Z <= n).
Proof. by case: m. Qed.
Lemma
leNz_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltNz_nat m n : (- m%:Z < n) = (m != 0) || (n != 0).
Proof. by move: m n=> [|?] []. Qed.
Lemma
ltNz_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lteNz_nat
:= (leNz_nat, ltNz_nat).
Definition
lteNz_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "leNz_nat", "ltNz_nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lezN_nat m n : (m%:Z <= - n%:Z) = (m == 0) && (n == 0).
Proof. by move: m n=> [|?] []. Qed.
Lemma
lezN_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltzN_nat m n : (m%:Z < - n%:Z) = false.
Proof. by move: m n=> [|?] []. Qed.
Lemma
ltzN_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
le0z_nat n : 0 <= n :> int.
Proof. by []. Qed.
Lemma
le0z_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez0_nat n : (n <= 0 :> int) = (n == 0 :> nat).
Proof. by elim: n. Qed.
Lemma
lez0_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "int", "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltezN_nat
:= (lezN_nat, ltzN_nat).
Definition
ltezN_nat
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lezN_nat", "ltzN_nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltez_natE
:= (ltez_nat, lteNz_nat, ltezN_nat, le0z_nat, lez0_nat).
Definition
ltez_natE
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "le0z_nat", "lez0_nat", "lteNz_nat", "ltezN_nat", "ltez_nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
gtz0_ge1 x : (0 < x) = (1 <= x).
Proof. by case: (intP x). Qed.
Lemma
gtz0_ge1
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "intP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lez1D x y : (1 + x <= y) = (x < y).
Proof. by rewrite -subr_gt0 gtz0_ge1 lterBDr. Qed.
Lemma
lez1D
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "gtz0_ge1", "lterBDr", "subr_gt0" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
lezD1 x y : (x + 1 <= y) = (x < y).
Proof. by rewrite addrC lez1D. Qed.
Lemma
lezD1
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "addrC", "lez1D" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltz1D x y : (x < 1 + y) = (x <= y).
Proof. by rewrite -lez1D lerD2l. Qed.
Lemma
ltz1D
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lerD2l", "lez1D" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ltzD1 x y : (x < y + 1) = (x <= y).
Proof. by rewrite -lezD1 lerD2r. Qed.
Lemma
ltzD1
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "lerD2r", "lezD1" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
intmul (R : zmodType) (x : R) (n : int)
:= match n with | Posz n => (x *+ n)%R | Negz n => (x *- (n.+1))%R end.
Definition
intmul
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "Posz", "int" ]
definition of intmul
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"*~%R"
:= (@intmul _) : function_scope.
Notation
*~%R
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "intmul" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"x *~ n"
:= (intmul x n) : ring_scope.
Notation
x *~ n
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "intmul" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
intr
:= ( *~%R 1).
Notation
intr
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"n %:~R"
:= (1 *~ n)%R : ring_scope.
Notation
n %:~R
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
pmulrn (R : zmodType) (x : R) (n : nat) : x *+ n = x *~ n%:Z.
Proof. by []. Qed.
Lemma
pmulrn
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "nat" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
nmulrn (R : zmodType) (x : R) (n : nat) : x *- n = x *~ - n%:Z.
Proof. by case: n; rewrite // oppr0. Qed.
Lemma
nmulrn
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "nat", "oppr0" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
zmodule (M : Type) : Type
:= M.
Definition
zmodule
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"M ^z"
:= (zmodule M) (format "M ^z") : type_scope.
Notation
M ^z
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "zmodule" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulrzA_C m n x : (x *~ n) *~ m = x *~ (m * n).
Proof. elim: m=> [|m _|m _]; elim: n=> [|n _|n _]; rewrite /intmul //=; rewrite ?(muln0, mulr0n, mul0rn, oppr0, mulNrn, opprK) //; do ?by rewrite mulnC mulrnA. * by rewrite -mulrnA mulnC. * by rewrite -mulrnA. Qed.
Fact
mulrzA_C
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "intmul", "mul0rn", "mulNrn", "muln0", "mulnC", "mulr0n", "mulrnA", "oppr0", "opprK" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulrzAC m n x : (x *~ n) *~ m = (x *~ m) *~ n.
Proof. by rewrite !mulrzA_C mulrC. Qed.
Fact
mulrzAC
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "mulrC", "mulrzA_C" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulr1z (x : M) : x *~ 1 = x.
Proof. by []. Qed.
Fact
mulr1z
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mulrzDl m : {morph ( *~%R^~ m : M -> M) : x y / x + y}.
Proof. by case: m => m x y; rewrite /intmul mulrnDl // opprD. Qed.
Fact
mulrzDl
algebra
algebra/ssrint.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "choice", "seq", "fintype", "finfun", "bigop", "order", "nmodule", "rings_modules_and_algebras", "divalg", "countalg", "poly", "orderedzmod", "numdomain", "numfield", "Order.TTheory", ...
[ "intmul", "mulrnDl", "opprD" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d