X-Git-Url: http://git.megacz.com/?p=coq-categories.git;a=blobdiff_plain;f=src%2FPreMonoidalCategories.v;h=6d886578228012ffa9e418ac84bc65630cb6f23c;hp=07513d82c20a6bedb676fdc99b2ce82301164e77;hb=90844bf411c7cddcd92d48c0b020e5775ace0849;hpb=5f3bdb7947de02d8d60f1af77c999a3c80f7dbba diff --git a/src/PreMonoidalCategories.v b/src/PreMonoidalCategories.v index 07513d8..6d88657 100644 --- a/src/PreMonoidalCategories.v +++ b/src/PreMonoidalCategories.v @@ -1,5 +1,5 @@ Generalizable All Variables. -Require Import Preamble. +Require Import Notations. Require Import Categories_ch1_3. Require Import Functors_ch1_4. Require Import Isomorphisms_ch1_5. @@ -145,10 +145,11 @@ Lemma MacLane_ex_VII_1_1 `{mn:PreMonoidalCat(I:=EI)} b a Qed. Class PreMonoidalFunctor -`(PM1:PreMonoidalCat(C:=C1)(I:=I1)) -`(PM2:PreMonoidalCat(C:=C2)(I:=I2)) - (fobj : C1 -> C2 ) := -{ mf_F :> Functor C1 C2 fobj +`(PM1 : PreMonoidalCat(C:=C1)(I:=I1)) +`(PM2 : PreMonoidalCat(C:=C2)(I:=I2)) + {fobj : C1 -> C2 } + (F : Functor C1 C2 fobj ) := +{ mf_F := F ; mf_i : I2 ≅ mf_F I1 ; mf_first : ∀ a, mf_F >>>> bin_first (mf_F a) <~~~> bin_first a >>>> mf_F ; mf_second : ∀ a, mf_F >>>> bin_second (mf_F a) <~~~> bin_second a >>>> mf_F @@ -166,10 +167,12 @@ Section PreMonoidalFunctorsCompose. `{PM1 :PreMonoidalCat(C:=C1)(I:=I1)} `{PM2 :PreMonoidalCat(C:=C2)(I:=I2)} {fobj12:C1 -> C2 } - (PMF12 :PreMonoidalFunctor PM1 PM2 fobj12) + {PMFF12:Functor C1 C2 fobj12 } + (PMF12 :PreMonoidalFunctor PM1 PM2 PMFF12) `{PM3 :PreMonoidalCat(C:=C3)(I:=I3)} {fobj23:C2 -> C3 } - (PMF23 :PreMonoidalFunctor PM2 PM3 fobj23). + {PMFF23:Functor C2 C3 fobj23 } + (PMF23 :PreMonoidalFunctor PM2 PM3 PMFF23). Definition compose_mf := PMF12 >>>> PMF23. @@ -344,9 +347,8 @@ Section PreMonoidalFunctorsCompose. Implicit Arguments id [[Ob][Hom][Category]]. (* this proof is really gross; I will write a better one some other day *) - Instance PreMonoidalFunctorsCompose : PreMonoidalFunctor PM1 PM3 (fobj23 ○ fobj12) := + Instance PreMonoidalFunctorsCompose : PreMonoidalFunctor PM1 PM3 compose_mf := { mf_i := compose_mf_i - ; mf_F := compose_mf ; mf_first := compose_mf_first ; mf_second := compose_mf_second }.