Nuprl Lemma : add-bottom_wf

[T:Type]. [ord:T  T  ].  (add-bottom(ord)  T?  T?  )


Proof not projected




Definitions occuring in Statement :  add-bottom: add-bottom(ord) uall: [x:A]. B[x] prop: unit: Unit member: t  T function: x:A  B[x] union: left + right universe: Type
Definitions :  true: True guard: {T} implies: P  Q btrue: tt subtype_rel: A r B sq_type: SQType(T) decide: case b of inl(x) =s[x] | inr(y) =t[y] ifthenelse: if b then t else f fi  uimplies: b supposing a outl: outl(x) apply: f a product: x:A  B[x] isl: isl(x) assert: b all: x:A. B[x] not: A cand: A c B and: P  Q or: P  Q lambda: x.A[x] bool: union: left + right unit: Unit add-bottom: add-bottom(ord) axiom: Ax uall: [x:A]. B[x] isect: x:A. B[x] function: x:A  B[x] prop: universe: Type equal: s = t member: t  T
Lemmas :  not_wf outl_wf assert_wf subtype_base_sq bool_subtype_base bool_wf assert_elim isl_wf unit_wf

\mforall{}[T:Type].  \mforall{}[ord:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].    (add-bottom(ord)  \mmember{}  T?  {}\mrightarrow{}  T?  {}\mrightarrow{}  \mBbbP{})


Date html generated: 2011_10_20-PM-04_51_19
Last ObjectModification: 2011_05_19-AM-11_17_28

Home Index