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: T uall: [x:A]. B[x] member: t ∈ T atom: Atom universe: Type
Definitions unfolded in proof :  tag-by: T uall: [x:A]. B[x] member: t ∈ T mk-tagged: mk-tagged(tg;x) subtype_rel: A ⊆B prop:
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


Home Index