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: s ~ 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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