Nuprl Lemma : nat-trans_wf

∀[C,D:SmallCategory]. ∀[F,G:Functor(C;D)].  (nat-trans(C;D;F;G) ∈ Type)


Proof




Definitions occuring in Statement :  nat-trans: nat-trans(C;D;F;G),  cat-functor: Functor(C1;C2),  small-category: SmallCategory,  uall: ∀[x:A]. B[x],  member: t ∈ T,  universe: Type
Definitions unfolded in proof :  prop: ℙ,  all: ∀x:A. B[x],  so_apply: x[s],  so_lambda: λ2x.t[x],  nat-trans: nat-trans(C;D;F;G),  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  small-category_wf,  cat-functor_wf,  functor-arrow_wf,  cat-comp_wf,  equal_wf,  all_wf,  functor-ob_wf,  cat-arrow_wf,  cat-ob_wf
Rules used in proof :  isect_memberEquality,  equalitySymmetry,  equalityTransitivity,  axiomEquality,  lambdaEquality,  because_Cache,  applyEquality,  hypothesis,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  lemma_by_obid,  functionEquality,  setEquality,  sqequalRule,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[C,D:SmallCategory].  \mforall{}[F,G:Functor(C;D)].    (nat-trans(C;D;F;G)  \mmember{}  Type)



Date html generated: 2016_05_18-AM-11_52_31
Last ObjectModification: 2015_12_28-PM-02_24_13

Theory : small!categories


Home Index