Nuprl Lemma : spread-trivial
∀[x:Top × Top]. ∀[y:Top].  (let a,b = x in y ~ y)
Proof
Definitions occuring in Statement : 
uall: ∀[x:A]. B[x]
, 
top: Top
, 
spread: spread def, 
product: x:A × B[x]
, 
sqequal: s ~ t
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
Lemmas referenced : 
top_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
productElimination, 
thin, 
sqequalRule, 
sqequalAxiom, 
lemma_by_obid, 
hypothesis, 
sqequalHypSubstitution, 
isect_memberEquality, 
isectElimination, 
hypothesisEquality, 
productEquality
Latex:
\mforall{}[x:Top  \mtimes{}  Top].  \mforall{}[y:Top].    (let  a,b  =  x  in  y  \msim{}  y)
Date html generated:
2016_05_15-PM-03_25_43
Last ObjectModification:
2015_12_27-PM-01_07_16
Theory : general
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