Nuprl Lemma : op-cat-id
∀C:SmallCategory. ∀[A:Top]. (cat-id(op-cat(C)) A ~ cat-id(C) A)
Proof
Definitions occuring in Statement :
op-cat: op-cat(C),
cat-id: cat-id(C),
small-category: SmallCategory,
uall: ∀[x:A]. B[x],
top: Top,
all: ∀x:A. B[x],
apply: f a,
sqequal: s ~ t
Definitions unfolded in proof :
all: ∀x:A. B[x],
uall: ∀[x:A]. B[x],
member: t ∈ T,
small-category: SmallCategory,
spreadn: spread4,
op-cat: op-cat(C),
top: Top
Lemmas referenced :
cat_id_tuple_lemma,
top_wf,
small-category_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation,
isect_memberFormation,
introduction,
cut,
sqequalHypSubstitution,
setElimination,
thin,
rename,
productElimination,
sqequalRule,
extract_by_obid,
dependent_functionElimination,
isect_memberEquality,
voidElimination,
voidEquality,
hypothesis,
sqequalAxiom
Latex:
\mforall{}C:SmallCategory. \mforall{}[A:Top]. (cat-id(op-cat(C)) A \msim{} cat-id(C) A)
Date html generated:
2017_10_05-AM-00_46_34
Last ObjectModification:
2017_10_03-PM-00_26_36
Theory : small!categories
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