Nuprl Lemma : mon_for_cons_lemma

∀f,as,a,g,T:Top.  (For{g} x ∈ [a / as]. f[x] ~ f[a] * (For{g} x ∈ as. f[x]))


Proof




Definitions occuring in Statement :  mon_for: For{g} x ∈ as. f[x],  cons: [a / b],  top: Top,  infix_ap: x f y,  so_apply: x[s],  all: ∀x:A. B[x],  sqequal: s ~ t,  grp_op: *
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  mon_for: For{g} x ∈ as. f[x],  so_lambda: λ2x.t[x],  top: Top,  so_apply: x[s],  infix_ap: x f y
Lemmas referenced :  top_wf,  for_cons_lemma
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  lambdaFormation,  cut,  hypothesis,  lemma_by_obid,  sqequalRule,  sqequalHypSubstitution,  dependent_functionElimination,  thin,  isect_memberEquality,  voidElimination,  voidEquality

Latex:
\mforall{}f,as,a,g,T:Top.    (For\{g\}  x  \mmember{}  [a  /  as].  f[x]  \msim{}  f[a]  *  (For\{g\}  x  \mmember{}  as.  f[x]))



Date html generated: 2016_05_16-AM-07_35_59
Last ObjectModification: 2015_12_28-PM-05_45_39

Theory : list_2


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