Nuprl Lemma : csm-type-at

s,A,I,alpha:Top.  ((A)s(alpha) A((s)alpha))


Proof




Definitions occuring in Statement :  csm-ap-type: (AF)s cubical-type-at: A(a) csm-ap: (s)x top: Top all: x:A. B[x] sqequal: t
Definitions unfolded in proof :  cubical-type-at: A(a) presheaf-type-at: A(a) csm-ap-type: (AF)s pscm-ap-type: (AF)s csm-ap: (s)x pscm-ap: (s)x
Lemmas referenced :  pscm-type-at
Rules used in proof :  cut introduction extract_by_obid sqequalRule sqequalReflexivity sqequalSubstitution sqequalTransitivity computationStep hypothesis

Latex:
\mforall{}s,A,I,alpha:Top.    ((A)s(alpha)  \msim{}  A((s)alpha))



Date html generated: 2018_05_23-AM-08_49_42
Last ObjectModification: 2018_05_20-PM-05_59_08

Theory : cubical!type!theory


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