Nuprl Lemma : exception-with-name_wf

[n:Atom2]. ∀[t:Base].  (exception-with-name(n;t) ∈ ℙ)


Proof




Definitions occuring in Statement :  exception-with-name: exception-with-name(n;t) atom: Atom$n uall: [x:A]. B[x] prop: member: t ∈ T base: Base
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T exception-with-name: exception-with-name(n;t) subtype_rel: A ⊆B
Lemmas referenced :  sqle_wf_base atom2_subtype_base base_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule extract_by_obid sqequalHypSubstitution isectElimination thin baseApply closedConclusion baseClosed hypothesisEquality applyEquality hypothesis axiomEquality equalityTransitivity equalitySymmetry isect_memberEquality because_Cache atomnEquality

Latex:
\mforall{}[n:Atom2].  \mforall{}[t:Base].    (exception-with-name(n;t)  \mmember{}  \mBbbP{})



Date html generated: 2017_04_14-AM-07_14_43
Last ObjectModification: 2017_02_24-PM-05_51_53

Theory : call!by!value_1


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