Nuprl Lemma : functor-uncurry_wf

[A,B,C:SmallCategory].  (functor-uncurry(C) ∈ Functor(FUN(A;FUN(B;C));FUN(A × B;C)))


Proof




Definitions occuring in Statement :  functor-uncurry: functor-uncurry(C) product-cat: A × B functor-cat: FUN(C1;C2) cat-functor: Functor(C1;C2) small-category: SmallCategory uall: [x:A]. B[x] member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T functor-uncurry: functor-uncurry(C) so_lambda: λ2x.t[x] all: x:A. B[x] pi1: fst(t) subtype_rel: A ⊆B cat-ob: cat-ob(C) functor-cat: FUN(C1;C2) cat-functor: Functor(C1;C2) pi2: snd(t) so_apply: x[s] so_lambda: so_lambda3 nat-trans: nat-trans(C;D;F;G) so_apply: x[s1;s2;s3] uimplies: supposing a squash: T cat-arrow: cat-arrow(C) true: True guard: {T} iff: ⇐⇒ Q and: P ∧ Q rev_implies:  Q implies:  Q trans-comp: t1 t2 identity-trans: identity-trans(C;D;F) prop:
Lemmas referenced :  mk-functor_wf functor-cat_wf product-cat_wf functor_cat_ob_lemma ob_product_lemma functor-ob_wf subtype_rel_self cat-functor_wf cat-ob_wf arrow_prod_lemma cat-comp_wf functor-arrow_wf functor_cat_arrow_lemma cat-arrow_wf pi1_wf_top pi2_wf comp_product_cat_lemma functor-arrow-prod-comp equal_wf functor-arrow-comp cat-comp-assoc nat-trans-equation nat-trans_wf functor_cat_comp_lemma trans_comp_ap_lemma nat-trans-comp-equation nat-trans-assoc-comp-equation nat-trans-assoc-equation iff_weakening_equal id_prod_cat_lemma functor_cat_id_lemma ident_trans_ap_lemma functor-arrow-id cat-comp-ident2 cat-id_wf mk-nat-trans_wf ob_mk_functor_lemma arrow_mk_functor_lemma ap_mk_nat_trans_lemma cat-comp-ident1 small-category_wf squash_wf true_wf istype-universe trans-comp_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation_alt introduction cut sqequalRule extract_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality hypothesis because_Cache dependent_functionElimination Error :memTop,  lambdaEquality_alt applyEquality productElimination productIsType universeIsType setElimination rename inhabitedIsType equalityTransitivity equalitySymmetry independent_pairEquality independent_isectElimination lambdaFormation_alt imageElimination natural_numberEquality imageMemberEquality baseClosed independent_functionElimination axiomEquality isect_memberEquality_alt isectIsTypeImplies applyLambdaEquality instantiate universeEquality functionExtensionality

Latex:
\mforall{}[A,B,C:SmallCategory].    (functor-uncurry(C)  \mmember{}  Functor(FUN(A;FUN(B;C));FUN(A  \mtimes{}  B;C)))



Date html generated: 2020_05_20-AM-07_54_41
Last ObjectModification: 2019_12_30-PM-07_28_13

Theory : small!categories


Home Index