Nuprl Lemma : psc_restriction_pair_lemma
∀s,f,J,I,G,F:Top. (f(s) ~ G I J f s)
Proof
Definitions occuring in Statement :
psc-restriction: f(s),
top: Top,
all: ∀x:A. B[x],
apply: f a,
pair: <a, b>,
sqequal: s ~ t
Definitions unfolded in proof :
all: ∀x:A. B[x],
member: t ∈ T,
psc-restriction: f(s),
pi2: snd(t)
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
lambdaFormation,
cut,
hypothesis,
introduction,
extract_by_obid,
sqequalRule
Latex:
\mforall{}s,f,J,I,G,F:Top. (f(s) \msim{} G I J f s)
Date html generated:
2018_05_22-PM-09_58_39
Last ObjectModification:
2018_05_20-PM-09_41_28
Theory : presheaf!models!of!type!theory
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