Nuprl Lemma : cat_comp_tuple_lemma

y,x,arrow,ob:Top.  (cat-comp(<ob, arrow, x, y>y)


Proof




Definitions occuring in Statement :  cat-comp: cat-comp(C) top: Top all: x:A. B[x] pair: <a, b> sqequal: t
Definitions unfolded in proof :  all: x:A. B[x] member: t ∈ T cat-comp: cat-comp(C) pi2: snd(t)
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation cut hypothesis introduction extract_by_obid sqequalRule

Latex:
\mforall{}y,x,arrow,ob:Top.    (cat-comp(<ob,  arrow,  x,  y>)  \msim{}  y)



Date html generated: 2020_05_20-AM-07_49_38
Last ObjectModification: 2017_01_09-PM-00_49_22

Theory : small!categories


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