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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