Nuprl Lemma : append-tuple-simplify2
∀[p:Top × Top]. (fst(let x,y = p in <x, y, ⋅>) ~ fst(p))
Proof
Definitions occuring in Statement :
it: ⋅,
uall: ∀[x:A]. B[x],
top: Top,
pi1: fst(t),
spread: spread def,
pair: <a, b>,
product: x:A × B[x],
sqequal: s ~ t
Definitions unfolded in proof :
uall: ∀[x:A]. B[x],
member: t ∈ T,
pi1: fst(t)
Lemmas referenced :
top_wf
Rules used in proof :
sqequalSubstitution,
sqequalTransitivity,
computationStep,
sqequalReflexivity,
isect_memberFormation,
introduction,
cut,
productElimination,
thin,
sqequalRule,
sqequalAxiom,
hypothesis,
productEquality,
lemma_by_obid
Latex:
\mforall{}[p:Top \mtimes{} Top]. (fst(let x,y = p in <x, y, \mcdot{}>) \msim{} fst(p))
Date html generated:
2016_05_14-PM-03_59_09
Last ObjectModification:
2015_12_26-PM-07_21_38
Theory : tuples
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