Nuprl Lemma : sub-mset_wf

[T:Type]. ∀[L1,L2:T List].  (sub-mset(T; L1; L2) ∈ ℙ)


Proof




Definitions occuring in Statement :  sub-mset: sub-mset(T; L1; L2) list: List uall: [x:A]. B[x] prop: member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T sub-mset: sub-mset(T; L1; L2) so_lambda: λ2x.t[x] so_apply: x[s]
Lemmas referenced :  exists_wf list_wf permutation_wf append_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule lemma_by_obid sqequalHypSubstitution isectElimination thin hypothesisEquality hypothesis lambdaEquality axiomEquality equalityTransitivity equalitySymmetry isect_memberEquality because_Cache universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[L1,L2:T  List].    (sub-mset(T;  L1;  L2)  \mmember{}  \mBbbP{})



Date html generated: 2016_05_15-PM-04_31_40
Last ObjectModification: 2015_12_27-PM-02_49_32

Theory : general


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