Nuprl Lemma : csm-face-zero
∀[r,sigma:Top]. (((r=0))sigma ~ ((r)sigma=0))
Proof
Definitions occuring in Statement :
face-zero: (i=0),
csm-ap-term: (t)s,
uall: ∀[x:A]. B[x],
top: Top,
sqequal: s ~ t
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
csm-ap-term: (t)s,
face-zero: (i=0),
csm-ap: (s)x,
cubical-term-at: u(a)
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
sqequalRule,
hypothesis,
sqequalAxiom,
lemma_by_obid,
sqequalHypSubstitution,
isect_memberEquality,
isectElimination,
thin,
hypothesisEquality,
because_Cache
Latex:
\mforall{}[r,sigma:Top]. (((r=0))sigma \msim{} ((r)sigma=0))
Date html generated:
2016_05_19-AM-08_26_51
Last ObjectModification:
2016_04_10-PM-08_56_09
Theory : cubical!type!theory
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