Nuprl Lemma : co_w_select_nil_lemma

∀w:Top. (w@[] ~ w)


Proof




Definitions occuring in Statement :  co-w-select: w@s,  nil: [],  top: Top,  all: ∀x:A. B[x],  sqequal: s ~ t
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  co-w-select: w@s,  btrue: tt,  bor: p ∨bq,  ifthenelse: if b then t else f fi 
Lemmas referenced :  top_wf,  null_nil_lemma,  reduce_tl_nil_lemma
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  hypothesis,  lemma_by_obid,  sqequalRule

Latex:
\mforall{}w:Top.  (w@[]  \msim{}  w)



Date html generated: 2016_05_15-PM-10_05_44
Last ObjectModification: 2015_12_27-PM-05_50_36

Theory : bar!induction


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