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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