Nuprl Lemma : map_nil_lemma

∀f:Top. (map(f;[]) ~ [])


Proof




Definitions occuring in Statement :  map: map(f;as),  nil: [],  top: Top,  all: ∀x:A. B[x],  sqequal: s ~ t
Definitions unfolded in proof :  all: ∀x:A. B[x],  member: t ∈ T,  map: map(f;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_nil_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:Top.  (map(f;[])  \msim{}  [])



Date html generated: 2016_05_14-AM-06_28_23
Last ObjectModification: 2015_12_26-PM-00_40_58

Theory : list_0


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