Nuprl Lemma : mon_htfor_cons_lemma

∀f,as,a,g,T:Top.  (HTFor{g} h::t ∈ [a / as]. f[h;t] ~ f[a;as] * (HTFor{g} h::t ∈ as. f[h;t]))


Proof




Definitions occuring in Statement :  mon_htfor: HTFor{g} h::t ∈ as. f[h; t],  cons: [a / b],  top: Top,  infix_ap: x f y,  so_apply: x[s1;s2],  all: ∀x:A. B[x],  sqequal: s ~ t,  grp_op: *
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  mon_htfor: HTFor{g} h::t ∈ as. f[h; t],  so_lambda: λ2x y.t[x; y],  top: Top,  so_apply: x[s1;s2],  infix_ap: x f y
Lemmas referenced :  top_wf,  for_hdtl_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.    (HTFor\{g\}  h::t  \mmember{}  [a  /  as].  f[h;t]  \msim{}  f[a;as]  *  (HTFor\{g\}  h::t  \mmember{}  as.  f[h;t]))



Date html generated: 2016_05_16-AM-07_36_38
Last ObjectModification: 2015_12_28-PM-05_45_31

Theory : list_2


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