Nuprl Lemma : list_accum_nil_lemma

∀z,f:Top.  (accumulate (with value x and list item y): f[x;y]over list:  []with starting value: z) ~ z)


Proof




Definitions occuring in Statement :  list_accum: list_accum,  nil: [],  top: Top,  so_apply: x[s1;s2],  all: ∀x:A. B[x],  sqequal: s ~ t
Definitions unfolded in proof :  list_accum: list_accum,  nil: [],  it: ⋅,  all: ∀x:A. B[x],  member: t ∈ T
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  callbyvalueReduce,  sqleReflexivity,  lambdaFormation,  cut,  introduction,  extract_by_obid,  hypothesis

Latex:
\mforall{}z,f:Top.
    (accumulate  (with  value  x  and  list  item  y):
        f[x;y]
      over  list:
          []
      with  starting  value:
        z)  \msim{}  z)



Date html generated: 2018_05_21-PM-00_18_38
Last ObjectModification: 2018_05_19-AM-06_58_48

Theory : list_0


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