Nuprl Lemma : pscm-presheaf-unit
∀[s:Top]. ((1)s ~ 1)
Proof
Definitions occuring in Statement :
presheaf-unit: 1,
pscm-ap-type: (AF)s,
uall: ∀[x:A]. B[x],
top: Top,
sqequal: s ~ t
Definitions unfolded in proof :
presheaf-unit: 1,
uall: ∀[x:A]. B[x],
member: t ∈ T,
top: Top
Lemmas referenced :
pscm-discrete-presheaf-type,
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
extract_by_obid,
sqequalHypSubstitution,
isectElimination,
thin,
isect_memberEquality,
voidElimination,
voidEquality,
hypothesisEquality,
hypothesis,
sqequalAxiom
Latex:
\mforall{}[s:Top]. ((1)s \msim{} 1)
Date html generated:
2018_05_23-AM-08_24_50
Last ObjectModification:
2018_05_20-PM-10_06_03
Theory : presheaf!models!of!type!theory
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