Nuprl Lemma : reduce2_cons_lemma

∀t,h,i,k,f:Top.  (reduce2(f;k;i;[h / t]) ~ f h i reduce2(f;k;i + 1;t))


Proof




Definitions occuring in Statement :  reduce2: reduce2(f;k;i;as),  cons: [a / b],  top: Top,  all: ∀x:A. B[x],  apply: f a,  add: n + m,  natural_number: $n,  sqequal: s ~ t
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  reduce2: reduce2(f;k;i;as),  so_lambda: so_lambda(x,y,z.t[x; y; z]),  top: Top,  so_apply: x[s1;s2;s3]
Lemmas referenced :  top_wf,  list_ind_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{}t,h,i,k,f:Top.    (reduce2(f;k;i;[h  /  t])  \msim{}  f  h  i  reduce2(f;k;i  +  1;t))



Date html generated: 2016_05_15-PM-01_56_36
Last ObjectModification: 2015_12_27-AM-00_25_03

Theory : list!


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