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eqSSm n : (m.+1 == n.+1) = (m == n). Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
eqSS
nat_irrelevance(x y : nat) (E E' : x = y) : E = E'. Proof. exact: eq_irrelevance. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
nat_irrelevance
addn:= plus. Arguments addn : simpl never. #[deprecated(since="mathcomp 2.3.0", note="Use addn instead.")]
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn
addn_rec:= addn.
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn_rec
addnE: addn = plus. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnE
plusE: plus = addn. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
plusE
add0n: left_id 0 addn. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
add0n
addSnm n : m.+1 + n = (m + n).+1. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addSn
add1nn : 1 + n = n.+1. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
add1n
addn0: right_id 0 addn. Proof. by move=> n; apply/eqP; elim: n. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn0
addnSm n : m + n.+1 = (m + n).+1. Proof. by apply/eqP; elim: m. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnS
addSnnSm n : m.+1 + n = m + n.+1. Proof. by rewrite addnS. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addSnnS
addnCA: left_commutative addn. Proof. by move=> m n p; elim: m => //= m; rewrite addnS => <-. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnCA
addnC: commutative addn. Proof. by move=> m n; rewrite -[n in LHS]addn0 addnCA addn0. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnC
addn1n : n + 1 = n.+1. Proof. by rewrite addnC. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn1
addnA: associative addn. Proof. by move=> m n p; rewrite (addnC n) addnCA addnC. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnA
addnAC: right_commutative addn. Proof. by move=> m n p; rewrite -!addnA (addnC n). Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnAC
addnCACm n p : m + n + p = p + n + m. Proof. by rewrite addnC addnA addnAC. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnCAC
addnAClm n p: m + n + p = n + (p + m). Proof. by rewrite (addnC m) addnC addnCA. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnACl
addnACA: interchange addn addn. Proof. by move=> m n p q; rewrite -!addnA (addnCA n). Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnACA
addn_eq0m n : (m + n == 0) = (m == 0) && (n == 0). Proof. by case: m; case: n. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn_eq0
addn_eq1m n : (m + n == 1) = ((m == 1) && (n == 0)) || ((m == 0) && (n == 1)). Proof. by case: m n => [|[|m]] [|[|n]]. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn_eq1
eqn_add2lp m n : (p + m == p + n) = (m == n). Proof. by elim: p. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
eqn_add2l
eqn_add2rp m n : (m + p == n + p) = (m == n). Proof. by rewrite -!(addnC p) eqn_add2l. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
eqn_add2r
addnI: right_injective addn. Proof. by move=> p m n Heq; apply: eqP; rewrite -(eqn_add2l p) Heq eqxx. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnI
addIn: left_injective addn. Proof. move=> p m n; rewrite -!(addnC p); apply addnI. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addIn
addn2m : m + 2 = m.+2. Proof. by rewrite addnC. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn2
add2nm : 2 + m = m.+2. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
add2n
addn3m : m + 3 = m.+3. Proof. by rewrite addnC. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn3
add3nm : 3 + m = m.+3. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
add3n
addn4m : m + 4 = m.+4. Proof. by rewrite addnC. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addn4
add4nm : 4 + m = m.+4. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
add4n
subn:= minus. Arguments subn : simpl never. #[deprecated(since="mathcomp 2.3.0", note="Use subn instead.")]
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subn
subn_rec:= subn.
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subn_rec
subnE: subn = minus. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subnE
minusE: minus = subn. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
minusE
sub0n: left_zero 0 subn. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
sub0n
subn0: right_id 0 subn. Proof. by case. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subn0
subnn: self_inverse 0 subn. Proof. by elim. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subnn
subSSn m : m.+1 - n.+1 = m - n. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subSS
subn1n : n - 1 = n.-1. Proof. by case: n => [|[]]. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subn1
subn2n : (n - 2)%N = n.-2. Proof. by case: n => [|[|[]]]. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subn2
subnDlp m n : (p + m) - (p + n) = m - n. Proof. by elim: p. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subnDl
subnDrp m n : (m + p) - (n + p) = m - n. Proof. by rewrite -!(addnC p) subnDl. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subnDr
addnKn : cancel (addn^~ n) (subn^~ n). Proof. by move=> m; rewrite (subnDr n m 0) subn0. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addnK
addKnn : cancel (addn n) (subn^~ n). Proof. by move=> m; rewrite addnC addnK. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
addKn
subSnnn : n.+1 - n = 1. Proof. exact (addnK n 1). Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subSnn
subnDAm n p : n - (m + p) = (n - m) - p. Proof. by elim: m n => [|m IHm] []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subnDA
subnAC: right_commutative subn. Proof. by move=> m n p; rewrite -!subnDA addnC. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subnAC
subnSm n : m - n.+1 = (m - n).-1. Proof. by rewrite -addn1 subnDA subn1. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subnS
subSKnm n : (m.+1 - n).-1 = m - n. Proof. by rewrite -subnS. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
subSKn
leqm n := m - n == 0.
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq
geq:= [rel m n | m >= n].
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
geq
ltn:= [rel m n | m < n].
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn
gtn:= [rel m n | m > n].
Definition
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
gtn
ltnSm n : (m < n.+1) = (m <= n). Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltnS
leq0nn : 0 <= n. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq0n
ltn0Snn : 0 < n.+1. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn0Sn
ltn0n : n < 0 = false. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn0
leqnnn : n <= n. Proof. by elim: n. Qed. #[global] Hint Resolve leqnn : core.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leqnn
ltnSnn : n < n.+1. Proof. by []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltnSn
eq_leqm n : m = n -> m <= n. Proof. by move->. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
eq_leq
leqnSnn : n <= n.+1. Proof. by elim: n. Qed. #[global] Hint Resolve leqnSn : core.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leqnSn
leq_predn : n.-1 <= n. Proof. by case: n => /=. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_pred
leqSpredn : n <= n.-1.+1. Proof. by case: n => /=. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leqSpred
ltn_predLn : (n.-1 < n) = (0 < n). Proof. by case: n => [//|n]; rewrite ltnSn. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_predL
ltn_predRLm n : (m < n.-1) = (m.+1 < n). Proof. by case: n => [//|n]; rewrite succnK. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_predRL
ltn_predKm n : m < n -> n.-1.+1 = n. Proof. by case: n. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_predK
prednKn : 0 < n -> n.-1.+1 = n. Proof. exact: ltn_predK. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
prednK
leqNgtm n : (m <= n) = ~~ (n < m). Proof. by elim: m n => [|m IHm] []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leqNgt
leqVgtm n : (m <= n) || (n < m). Proof. by rewrite leqNgt orNb. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leqVgt
ltnNgem n : (m < n) = ~~ (n <= m). Proof. by rewrite leqNgt. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltnNge
ltnnn : n < n = false. Proof. by rewrite ltnNge leqnn. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltnn
leqn0n : (n <= 0) = (n == 0). Proof. by case: n. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leqn0
lt0nn : (0 < n) = (n != 0). Proof. by case: n. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
lt0n
lt0n_neq0n : 0 < n -> n != 0. Proof. by case: n. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
lt0n_neq0
eqn0Ngtn : (n == 0) = ~~ (n > 0). Proof. by case: n. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
eqn0Ngt
neq0_lt0nn : (n == 0) = false -> 0 < n. Proof. by case: n. Qed. #[global] Hint Resolve lt0n_neq0 neq0_lt0n : core.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
neq0_lt0n
eqn_leqm n : (m == n) = (m <= n <= m). Proof. by elim: m n => [|m IHm] []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
eqn_leq
anti_leq: antisymmetric leq. Proof. by move=> m n; rewrite -eqn_leq => /eqP. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
anti_leq
neq_ltnm n : (m != n) = (m < n) || (n < m). Proof. by rewrite eqn_leq negb_and orbC -!ltnNge. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
neq_ltn
gtn_eqFm n : m < n -> n == m = false. Proof. by rewrite eqn_leq (leqNgt n) => ->. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
gtn_eqF
ltn_eqFm n : m < n -> m == n = false. Proof. by move/gtn_eqF; rewrite eq_sym. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_eqF
ltn_geFm n : m < n -> m >= n = false. Proof. by rewrite (leqNgt n) => ->. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_geF
leq_gtFm n : m <= n -> m > n = false. Proof. by rewrite (ltnNge n) => ->. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_gtF
leq_eqVltm n : (m <= n) = (m == n) || (m < n). Proof. by elim: m n => [|m IHm] []. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_eqVlt
ltn_neqAlem n : (m < n) = (m != n) && (m <= n). Proof. by rewrite ltnNge leq_eqVlt negb_or -leqNgt eq_sym. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_neqAle
leq_transn m p : m <= n -> n <= p -> m <= p. Proof. by elim: n m p => [|i IHn] [|m] [|p] //; apply: IHn m p. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_trans
leq_ltn_transn m p : m <= n -> n < p -> m < p. Proof. by move=> Hmn; apply: leq_trans. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_ltn_trans
ltnWm n : m < n -> m <= n. Proof. exact: leq_trans. Qed. #[global] Hint Resolve ltnW : core.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltnW
leqWm n : m <= n -> m <= n.+1. Proof. by move=> le_mn; apply: ltnW. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leqW
ltn_transn m p : m < n -> n < p -> m < p. Proof. by move=> lt_mn /ltnW; apply: leq_trans. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_trans
leq_totalm n : (m <= n) || (m >= n). Proof. by rewrite -implyNb -ltnNge; apply/implyP; apply: ltnW. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_total
leq_leP{m n} : reflect (forall k, n <= k -> m <= k) (m <= n). Proof. by apply: (iffP idP) => [mn k /(leq_trans _)->//|]; apply. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_leP
ltn_gtP{m n} : reflect (forall k, k <= m -> k < n) (m < n). Proof. by apply: (iffP idP) => [mn k /leq_ltn_trans->//|]; apply. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_gtP
leq_geP{m n} : reflect (forall k, k <= m -> k <= n) (m <= n). Proof. by rewrite -ltnS; apply: (iffP ltn_gtP). Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_geP
leq_ltP{m n} : reflect (forall k, n < k -> m < k) (m <= n). Proof. by apply: (iffP idP) => [mn k|/(_ n.+1)]; [exact: leq_trans|exact]. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_ltP
leq_gtP{m n} : reflect (forall k, k < m -> k < n) (m <= n). Proof. by case: m => [|m]; [constructor|apply: (iffP ltn_gtP)]. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
leq_gtP
ltn_ltP{m n} : reflect (forall k, n <= k -> m < k) (m < n). Proof. exact: leq_leP. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
ltn_ltP
eqn_geP{m n} : reflect (forall k, (k <= m) = (k <= n)) (m == n). Proof. by apply: (iffP idP) => [/eqP->//|/[dup]/[!eqn_leq]-> <- /[!leqnn]]. Qed.
Lemma
boot
[ "From Corelib Require Import PosDef", "From HB Require Import structures", "From mathcomp Require Import ssreflect ssrfun ssrbool eqtype" ]
boot/ssrnat.v
eqn_geP