Nuprl Lemma : is-list-if-has-value-rec_wf

[t:Base]. (is-list-if-has-value-rec(t) ∈ ℙ)


Proof




Definitions occuring in Statement :  is-list-if-has-value-rec: is-list-if-has-value-rec(t) uall: [x:A]. B[x] prop: member: t ∈ T base: Base
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T is-list-if-has-value-rec: is-list-if-has-value-rec(t) so_lambda: λ2x.t[x] so_apply: x[s]
Lemmas referenced :  base_wf nat_wf is-list-if-has-value-fun_wf isect_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalHypSubstitution hypothesis sqequalRule axiomEquality equalityTransitivity equalitySymmetry lemma_by_obid isectElimination thin hypothesisEquality lambdaEquality

Latex:
\mforall{}[t:Base].  (is-list-if-has-value-rec(t)  \mmember{}  \mBbbP{})



Date html generated: 2016_05_15-PM-10_08_39
Last ObjectModification: 2015_12_27-PM-06_00_02

Theory : eval!all


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