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"[ 'tuple' ]"
:= [tuple of [::]] (format "[ 'tuple' ]") : form_scope.
Notation
[ 'tuple' ]
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
in_tuple (s : seq T)
:= Tuple (eqxx (size s)).
Definition
in_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "eqxx", "seq", "size" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tcast m n (eq_mn : m = n) t
:= let: erefl in _ = n := eq_mn return n.-tuple T in t.
Definition
tcast
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tcastE m n (eq_mn : m = n) t i : tnth (tcast eq_mn t) i = tnth t (cast_ord (esym eq_mn) i).
Proof. by case: n / eq_mn in i *; rewrite cast_ord_id. Qed.
Lemma
tcastE
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "cast_ord", "cast_ord_id", "tcast", "tnth" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tcast_id n (eq_nn : n = n) t : tcast eq_nn t = t.
Proof. by rewrite (eq_axiomK eq_nn). Qed.
Lemma
tcast_id
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "eq_axiomK", "tcast" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tcastK m n (eq_mn : m = n) : cancel (tcast eq_mn) (tcast (esym eq_mn)).
Proof. by case: n / eq_mn. Qed.
Lemma
tcastK
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "tcast" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tcastKV m n (eq_mn : m = n) : cancel (tcast (esym eq_mn)) (tcast eq_mn).
Proof. by case: n / eq_mn. Qed.
Lemma
tcastKV
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "tcast" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tcast_trans m n p (eq_mn : m = n) (eq_np : n = p) t: tcast (etrans eq_mn eq_np) t = tcast eq_np (tcast eq_mn t).
Proof. by case: n / eq_mn eq_np; case: p /. Qed.
Lemma
tcast_trans
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "tcast" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tvalK n (t : n.-tuple T) : in_tuple t = tcast (esym (size_tuple t)) t.
Proof. by apply: val_inj => /=; case: _ / (esym _). Qed.
Lemma
tvalK
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "in_tuple", "size_tuple", "tcast", "tuple", "val_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
val_tcast m n (eq_mn : m = n) (t : m.-tuple T) : tcast eq_mn t = t :> seq T.
Proof. by case: n / eq_mn. Qed.
Lemma
val_tcast
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "seq", "tcast", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
in_tupleE s : in_tuple s = s :> seq T.
Proof. by []. Qed.
Lemma
in_tupleE
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "in_tuple", "seq" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_in_tuple n (t : n.-tuple T) i : tnth (in_tuple t) i = tnth t (cast_ord (size_tuple _) i).
Proof. exact/set_nth_default. Qed.
Lemma
tnth_in_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "cast_ord", "in_tuple", "set_nth_default", "size_tuple", "tnth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
in_tuple_tuple n (t : n.-tuple T) : in_tuple t = tcast (esym (size_tuple _)) t.
Proof. by apply/eq_from_tnth=> i; rewrite tnth_in_tuple/= tcastE esymK. Qed.
Lemma
in_tuple_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "eq_from_tnth", "in_tuple", "size_tuple", "tcast", "tcastE", "tnth_in_tuple", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
in_tuple_cons x s : in_tuple (x :: s) = x :: in_tuple s.
Proof. exact/val_inj/(@eq_from_nth _ x). Qed.
Lemma
in_tuple_cons
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "eq_from_nth", "in_tuple", "val_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
in_tupleP (P : list T -> Type) : (forall n (t : n.-tuple T), P t) -> forall l, P l.
Proof. by move=> + l => /(_ _ (in_tuple l)). Qed.
Lemma
in_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "in_tuple", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rcons_tupleP t x : size (rcons t x) == n.+1.
Proof. by rewrite size_rcons size_tuple. Qed.
Lemma
rcons_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rcons", "size", "size_rcons", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rcons_tuple t x
:= Tuple (rcons_tupleP t x).
Canonical
rcons_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rcons_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
nseq_tupleP x : @size T (nseq n x) == n.
Proof. by rewrite size_nseq. Qed.
Lemma
nseq_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "nseq", "size", "size_nseq" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
nseq_tuple x
:= Tuple (nseq_tupleP x).
Canonical
nseq_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "nseq_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
iota_tupleP : size (iota m n) == n.
Proof. by rewrite size_iota. Qed.
Lemma
iota_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "iota", "size", "size_iota" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
iota_tuple
:= Tuple iota_tupleP.
Canonical
iota_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "iota_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
behead_tupleP t : size (behead t) == n.-1.
Proof. by rewrite size_behead size_tuple. Qed.
Lemma
behead_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "behead", "size", "size_behead", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
behead_tuple t
:= Tuple (behead_tupleP t).
Canonical
behead_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "behead_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
belast_tupleP x t : size (belast x t) == n.
Proof. by rewrite size_belast size_tuple. Qed.
Lemma
belast_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "belast", "size", "size_belast", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
belast_tuple x t
:= Tuple (belast_tupleP x t).
Canonical
belast_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "belast_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
cat_tupleP t (u : m.-tuple T) : size (t ++ u) == n + m.
Proof. by rewrite size_cat !size_tuple. Qed.
Lemma
cat_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "size", "size_cat", "size_tuple", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
cat_tuple t u
:= Tuple (cat_tupleP t u).
Canonical
cat_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "cat_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
take_tupleP t : size (take m t) == minn m n.
Proof. by rewrite size_take size_tuple eqxx. Qed.
Lemma
take_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "eqxx", "minn", "size", "size_take", "size_tuple", "take" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
take_tuple t
:= Tuple (take_tupleP t).
Canonical
take_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "take_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
drop_tupleP t : size (drop m t) == n - m.
Proof. by rewrite size_drop size_tuple. Qed.
Lemma
drop_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "drop", "size", "size_drop", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
drop_tuple t
:= Tuple (drop_tupleP t).
Canonical
drop_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "drop_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rev_tupleP t : size (rev t) == n.
Proof. by rewrite size_rev size_tuple. Qed.
Lemma
rev_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rev", "size", "size_rev", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rev_tuple t
:= Tuple (rev_tupleP t).
Canonical
rev_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rev_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rot_tupleP t : size (rot m t) == n.
Proof. by rewrite size_rot size_tuple. Qed.
Lemma
rot_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rot", "size", "size_rot", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rot_tuple t
:= Tuple (rot_tupleP t).
Canonical
rot_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rot_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rotr_tupleP t : size (rotr m t) == n.
Proof. by rewrite size_rotr size_tuple. Qed.
Lemma
rotr_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rotr", "size", "size_rotr", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
rotr_tuple t
:= Tuple (rotr_tupleP t).
Canonical
rotr_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "rotr_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
map_tupleP f t : @size rT (map f t) == n.
Proof. by rewrite size_map size_tuple. Qed.
Lemma
map_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "map", "size", "size_map", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
map_tuple f t
:= Tuple (map_tupleP f t).
Canonical
map_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "map_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
scanl_tupleP f x t : @size rT (scanl f x t) == n.
Proof. by rewrite size_scanl size_tuple. Qed.
Lemma
scanl_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "scanl", "size", "size_scanl", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
scanl_tuple f x t
:= Tuple (scanl_tupleP f x t).
Canonical
scanl_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "scanl_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
pairmap_tupleP f x t : @size rT (pairmap f x t) == n.
Proof. by rewrite size_pairmap size_tuple. Qed.
Lemma
pairmap_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "pairmap", "size", "size_pairmap", "size_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
pairmap_tuple f x t
:= Tuple (pairmap_tupleP f x t).
Canonical
pairmap_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "pairmap_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
zip_tupleP t (u : n.-tuple U) : size (zip t u) == n.
Proof. by rewrite size1_zip !size_tuple. Qed.
Lemma
zip_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "size", "size1_zip", "size_tuple", "tuple", "zip" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
zip_tuple t u
:= Tuple (zip_tupleP t u).
Canonical
zip_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "zip_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
allpairs_tupleP f t (u : m.-tuple U) : @size rT (allpairs f t u) == n * m.
Proof. by rewrite size_allpairs !size_tuple. Qed.
Lemma
allpairs_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "allpairs", "size", "size_allpairs", "size_tuple", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
allpairs_tuple f t u
:= Tuple (allpairs_tupleP f t u).
Canonical
allpairs_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "allpairs_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
sort_tupleP r t : size (sort r t) == n.
Proof. by rewrite size_sort size_tuple. Qed.
Lemma
sort_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "size", "size_sort", "size_tuple", "sort" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
sort_tuple r t
:= Tuple (sort_tupleP r t).
Canonical
sort_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "sort_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
thead (u : n.+1.-tuple T)
:= tnth u ord0.
Definition
thead
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "ord0", "tnth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth0 x t : tnth [tuple of x :: t] ord0 = x.
Proof. by []. Qed.
Lemma
tnth0
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "ord0", "tnth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnthS x t i : tnth [tuple of x :: t] (lift ord0 i) = tnth t i.
Proof. by rewrite (tnth_nth (tnth_default t i)). Qed.
Lemma
tnthS
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "lift", "ord0", "tnth", "tnth_default", "tnth_nth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
theadE x t : thead [tuple of x :: t] = x.
Proof. by []. Qed.
Lemma
theadE
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "thead", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tuple0 : all_equal_to ([tuple] : 0.-tuple T).
Proof. by move=> t; apply: val_inj; case: t => [[]]. Qed.
Lemma
tuple0
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "tuple", "val_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tuple1_spec : n.+1.-tuple T -> Type
:= Tuple1spec x t : tuple1_spec [tuple of x :: t].
Variant
tuple1_spec
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tupleP u : tuple1_spec u.
Proof. case: u => [[|x s] //= sz_s]; pose t := @Tuple n _ s sz_s. by rewrite (_ : Tuple _ = [tuple of x :: t]) //; apply: val_inj. Qed.
Lemma
tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "tuple", "tuple1_spec", "val_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_map f t i : tnth [tuple of map f t] i = f (tnth t i) :> rT.
Proof. by apply: nth_map; rewrite size_tuple. Qed.
Lemma
tnth_map
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "map", "nth_map", "size_tuple", "tnth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_nseq x i : tnth [tuple of nseq n x] i = x.
Proof. by rewrite !(tnth_nth (tnth_default (nseq_tuple x) i)) nth_nseq ltn_ord. Qed.
Lemma
tnth_nseq
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "ltn_ord", "nseq", "nseq_tuple", "nth_nseq", "tnth", "tnth_default", "tnth_nth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_behead n T (t : n.+1.-tuple T) i : tnth [tuple of behead t] i = tnth t (inord i.+1).
Proof. by case/tupleP: t => x t; rewrite !(tnth_nth x) inordK ?ltnS. Qed.
Lemma
tnth_behead
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "behead", "inord", "inordK", "ltnS", "tnth", "tnth_nth", "tuple", "tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tuple_eta n T (t : n.+1.-tuple T) : t = [tuple of thead t :: behead t].
Proof. by case/tupleP: t => x t; apply: val_inj. Qed.
Lemma
tuple_eta
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "behead", "thead", "tuple", "tupleP", "val_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_lshift i : tnth [tuple of t1 ++ t2] (lshift n2 i) = tnth t1 i.
Proof. have x0 := tnth_default t1 i; rewrite !(tnth_nth x0). by rewrite nth_cat size_tuple /= ltn_ord. Qed.
Lemma
tnth_lshift
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "lshift", "ltn_ord", "nth_cat", "size_tuple", "tnth", "tnth_default", "tnth_nth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_rshift j : tnth [tuple of t1 ++ t2] (rshift n1 j) = tnth t2 j.
Proof. have x0 := tnth_default t2 j; rewrite !(tnth_nth x0). by rewrite nth_cat size_tuple ltnNge leq_addr /= addKn. Qed.
Lemma
tnth_rshift
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "addKn", "leq_addr", "ltnNge", "nth_cat", "rshift", "size_tuple", "tnth", "tnth_default", "tnth_nth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
forallb_tnth a t : [forall i, a (tnth t i)] = all a t.
Proof. apply: negb_inj; rewrite -has_predC -has_map negb_forall. apply/existsP/(has_nthP true) => [[i a_t_i] | [i lt_i_n a_t_i]]. by exists i; rewrite ?size_tuple // -tnth_nth tnth_map. rewrite size_tuple in lt_i_n; exists (Ordinal lt_i_n). by rewrite -tnth_map (tnth_nth true). Qed.
Lemma
forallb_tnth
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "all", "apply", "existsP", "has_map", "has_nthP", "has_predC", "negb_forall", "size_tuple", "tnth", "tnth_map", "tnth_nth" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
existsb_tnth a t : [exists i, a (tnth t i)] = has a t.
Proof. by apply: negb_inj; rewrite negb_exists -all_predC -forallb_tnth. Qed.
Lemma
existsb_tnth
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "all_predC", "apply", "forallb_tnth", "has", "negb_exists", "tnth" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
all_tnthP a t : reflect (forall i, a (tnth t i)) (all a t).
Proof. by rewrite -forallb_tnth; apply: forallP. Qed.
Lemma
all_tnthP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "all", "apply", "forallP", "forallb_tnth", "tnth" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
has_tnthP a t : reflect (exists i, a (tnth t i)) (has a t).
Proof. by rewrite -existsb_tnth; apply: existsP. Qed.
Lemma
has_tnthP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "existsP", "existsb_tnth", "has", "tnth" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tuple_predType
:= PredType (pred_of_seq : n.-tuple T -> pred T).
Canonical
tuple_predType
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "pred_of_seq", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
eqEtuple (t1 t2 : n.-tuple T) : (t1 == t2) = [forall i, tnth t1 i == tnth t2 i].
Proof. by apply/eqP/'forall_eqP => [->|/eq_from_tnth]. Qed.
Lemma
eqEtuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "eq_from_tnth", "tnth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
memtE (t : n.-tuple T) : mem t = mem (tval t).
Proof. by []. Qed.
Lemma
memtE
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mem_tnth i (t : n.-tuple T) : tnth t i \in t.
Proof. by rewrite mem_nth ?size_tuple. Qed.
Lemma
mem_tnth
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "mem_nth", "size_tuple", "tnth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
memt_nth x0 (t : n.-tuple T) i : i < n -> nth x0 t i \in t.
Proof. by move=> i_lt_n; rewrite mem_nth ?size_tuple. Qed.
Lemma
memt_nth
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "mem_nth", "nth", "size_tuple", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnthP (t : n.-tuple T) x : reflect (exists i, x = tnth t i) (x \in t).
Proof. apply: (iffP idP) => [/(nthP x)[i ltin <-] | [i ->]]; last exact: mem_tnth. by rewrite size_tuple in ltin; exists (Ordinal ltin); rewrite (tnth_nth x). Qed.
Lemma
tnthP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "last", "mem_tnth", "nthP", "size_tuple", "tnth", "tnth_nth", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
seq_tnthP (s : seq T) x : x \in s -> {i | x = tnth (in_tuple s) i}.
Proof. move=> s_x; pose i := index x s; have lt_i: i < size s by rewrite index_mem. by exists (Ordinal lt_i); rewrite (tnth_nth x) nth_index. Qed.
Lemma
seq_tnthP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "in_tuple", "index", "index_mem", "nth_index", "seq", "size", "tnth", "tnth_nth" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tuple_uniqP (t : n.-tuple T) : reflect (injective (tnth t)) (uniq t).
Proof. case: {+}n => [|m] in t *; first by rewrite tuple0; constructor => -[]. pose x0 := tnth t ord0; apply/(equivP (uniqP x0)); split=> tinj i j. by rewrite !(tnth_nth x0) => /tinj/val_inj; apply; rewrite size_tuple inE. rewrite !size_tuple !inE => im jm; have := tinj (Ordinal im) (Ordinal jm). by rewrite !(tnth_nt...
Lemma
tuple_uniqP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "inE", "ord0", "size_tuple", "split", "tnth", "tnth_nth", "tuple", "tuple0", "uniq", "uniqP", "val_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
enum : seq (n.-tuple T).
Parameter
enum
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "seq", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
enumP : Finite.axiom enum.
Axiom
enumP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "axiom", "enum" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
size_enum : size enum = #|T| ^ n.
Axiom
size_enum
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "enum", "size" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
enum : seq (n.-tuple T)
:= let extend e := flatten (codom (fun x => map (cons x) e)) in pmap insub (iter n extend [::[::]]).
Definition
enum
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "codom", "flatten", "insub", "iter", "map", "pmap", "seq", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
enumP : Finite.axiom enum.
Proof. case=> /= t t_n; rewrite -(count_map _ (pred1 t)) (pmap_filter (insubK _)). rewrite count_filter -(@eq_count _ (pred1 t)) => [s /=|]. by rewrite isSome_insub; case: eqP=> // ->. elim: n t t_n => [|m IHm] [|x t] //= {}/IHm; move: (iter m _ _) => em IHm. transitivity (x \in T : nat); rewrite // -mem_enum codomE....
Lemma
enumP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "axiom", "codomE", "count_cat", "count_filter", "count_map", "count_pred0", "enum", "enum_uniq", "eq_count", "eq_sym", "inE", "insubK", "isSome_insub", "iter", "mem_enum", "nat", "pmap_filter", "pred1" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
size_enum : size enum = #|T| ^ n.
Proof. rewrite /= cardE size_pmap_sub; elim: n => //= m IHm. rewrite expnS /codom /image_mem; elim: {2 3}(fintype.enum T) => //= x e IHe. by rewrite count_cat {}IHe count_map IHm. Qed.
Lemma
size_enum
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "cardE", "codom", "count_cat", "count_map", "enum", "expnS", "image_mem", "size", "size_pmap_sub" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
card_tuple : #|{:n.-tuple T}| = #|T| ^ n.
Proof. by rewrite [#|_|]cardT enumT unlock FinTuple.size_enum. Qed.
Lemma
card_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "cardT", "enumT", "size_enum", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
enum_tupleP (A : {pred T}) : size (enum A) == #|A|.
Proof. by rewrite -cardE. Qed.
Lemma
enum_tupleP
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "cardE", "enum", "size" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
enum_tuple A
:= Tuple (enum_tupleP A).
Canonical
enum_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "enum_tupleP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
ord_tuple : n.-tuple 'I_n
:= Tuple (introT eqP (size_enum_ord n)).
Definition
ord_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "size_enum_ord", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
val_ord_tuple : val ord_tuple = enum 'I_n.
Proof. by []. Qed.
Lemma
val_ord_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "enum", "ord_tuple", "val" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tuple_map_ord U (t : n.-tuple U) : t = [tuple of map (tnth t) ord_tuple].
Proof. by apply: val_inj => /=; rewrite map_tnth_enum. Qed.
Lemma
tuple_map_ord
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "apply", "map", "map_tnth_enum", "ord_tuple", "tnth", "tuple", "val_inj" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_ord_tuple i : tnth ord_tuple i = i.
Proof. by rewrite (tnth_nth i) val_ord_tuple nth_ord_enum. Qed.
Lemma
tnth_ord_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "nth_ord_enum", "ord_tuple", "tnth", "tnth_nth", "val_ord_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
image_tuple : #|A|.-tuple T'
:= [tuple of image f A].
Canonical
image_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "T'", "image", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
codom_tuple : #|T|.-tuple T'
:= [tuple of codom f].
Canonical
codom_tuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "T'", "codom", "tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
mktuple
:= map_tuple f ord_tuple.
Definition
mktuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "map_tuple", "ord_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
tnth_mktuple i : tnth mktuple i = f i.
Proof. by rewrite tnth_map tnth_ord_tuple. Qed.
Lemma
tnth_mktuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "mktuple", "tnth", "tnth_map", "tnth_ord_tuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
nth_mktuple x0 (i : 'I_n) : nth x0 mktuple i = f i.
Proof. by rewrite -tnth_nth tnth_mktuple. Qed.
Lemma
nth_mktuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "mktuple", "nth", "tnth_mktuple", "tnth_nth" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
eq_mktuple T' (f1 f2 : 'I_n -> T') : f1 =1 f2 -> mktuple f1 = mktuple f2.
Proof. by move=> eq_f; apply eq_from_tnth=> i; rewrite !tnth_map eq_f. Qed.
Lemma
eq_mktuple
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "T'", "apply", "eq_f", "eq_from_tnth", "f1", "f2", "mktuple", "tnth_map" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
"[ 'tuple' F | i < n ]"
:= (mktuple (fun i : 'I_n => F)) (i at level 0, format "[ '[hv' 'tuple' F '/' | i < n ] ']'") : form_scope.
Notation
[ 'tuple' F | i < n ]
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "mktuple" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
bseq_of : Type
:= Bseq {bseqval :> seq T; _ : size bseqval <= n}.
Structure
bseq_of
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "seq", "size" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
size_bseq bs : size bs <= n.
Proof. by case: bs. Qed.
Lemma
size_bseq
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "size" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
bseq bs mkB : bseq_of
:= mkB (let: Bseq _ bsP := bs return size bs <= n in bsP).
Definition
bseq
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "bseq_of", "size" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
bseqE bs : bseq (fun sP => @Bseq bs sP) = bs.
Proof. by case: bs. Qed.
Lemma
bseqE
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "bseq" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
nil_bseq n T
:= Bseq (isT : @size T [::] <= n).
Canonical
nil_bseq
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "size" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d
cons_bseq n T x (t : bseq_of n T)
:= Bseq (valP t : size (x :: t) <= n.+1).
Canonical
cons_bseq
boot
boot/tuple.v
[ "HB", "structures", "mathcomp", "ssreflect", "ssrfun", "ssrbool", "eqtype", "ssrnat", "seq", "choice", "fintype", "path" ]
[ "bseq_of", "size", "valP" ]
https://github.com/math-comp/math-comp
91d97df9cf3204b4dab84f4e24bc633e84b6473d