Nuprl Lemma : mk-tagged_wf2

∀[B:Type]. ∀[tg:Atom]. ∀[x:B].  (mk-tagged(tg;x) ∈ tg×B)


Proof




Definitions occuring in Statement :  mk-tagged: mk-tagged(tg;x),  tag-by: z×T,  uall: ∀[x:A]. B[x],  member: t ∈ T,  atom: Atom,  universe: Type
Definitions unfolded in proof :  tag-by: z×T,  uall: ∀[x:A]. B[x],  member: t ∈ T,  mk-tagged: mk-tagged(tg;x),  subtype_rel: A ⊆r B,  prop: ℙ
Lemmas referenced :  equal-wf-base,  atom_subtype_base
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  introduction,  cut,  independent_pairEquality,  dependent_set_memberEquality,  hypothesisEquality,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  atomEquality,  applyEquality,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality,  because_Cache,  universeEquality

Latex:
\mforall{}[B:Type].  \mforall{}[tg:Atom].  \mforall{}[x:B].    (mk-tagged(tg;x)  \mmember{}  tg\mtimes{}B)



Date html generated: 2018_05_21-PM-08_42_53
Last ObjectModification: 2017_07_26-PM-06_06_47

Theory : general


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