Nuprl Lemma : callbyvalueall-nil

∀[F:Top]. (let x ⟵ [] in F[x] ~ F[[]])


Proof




Definitions occuring in Statement :  nil: [],  callbyvalueall: callbyvalueall,  uall: ∀[x:A]. B[x],  top: Top,  so_apply: x[s],  sqequal: s ~ t
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  callbyvalueall: callbyvalueall,  evalall: evalall(t),  nil: [],  it: ⋅,  so_apply: x[s]
Lemmas referenced :  top_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  hypothesis,  sqequalAxiom,  extract_by_obid

Latex:
\mforall{}[F:Top].  (let  x  \mleftarrow{}{}  []  in  F[x]  \msim{}  F[[]])



Date html generated: 2018_05_21-PM-06_21_30
Last ObjectModification: 2018_05_19-PM-05_27_34

Theory : untyped!computation


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