Nuprl Lemma : csm-fiber-point
∀[s,t,c:Top]. ((fiber-point(t;c))s ~ fiber-point((t)s;(c)s))
Proof
Definitions occuring in Statement :
fiber-point: fiber-point(t;c),
csm-ap-term: (t)s,
uall: ∀[x:A]. B[x],
top: Top,
sqequal: s ~ t
Definitions unfolded in proof :
csm-ap-term: (t)s,
fiber-point: fiber-point(t;c),
cubical-pair: cubical-pair(u;v),
uall: ∀[x:A]. B[x],
member: t ∈ T
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalRule,
sqequalReflexivity,
sqequalTransitivity,
computationStep,
isect_memberFormation,
introduction,
cut,
sqequalAxiom,
extract_by_obid,
hypothesis,
sqequalHypSubstitution,
isect_memberEquality,
isectElimination,
thin,
hypothesisEquality,
because_Cache
Latex:
\mforall{}[s,t,c:Top]. ((fiber-point(t;c))s \msim{} fiber-point((t)s;(c)s))
Date html generated:
2018_05_23-AM-09_40_31
Last ObjectModification:
2018_05_20-PM-06_40_48
Theory : cubical!type!theory
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