Nuprl Lemma : ident_wf

∀[T:Type]. ∀[op:T ⟶ T ⟶ T]. ∀[id:T].  (Ident(T;op;id) ∈ ℙ)


Proof




Definitions occuring in Statement :  ident: Ident(T;op;id),  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  ident: Ident(T;op;id),  uall: ∀[x:A]. B[x],  member: t ∈ T,  so_lambda: λ2x.t[x],  infix_ap: x f y,  so_apply: x[s]
Lemmas referenced :  uall_wf,  and_wf,  equal_wf
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  isect_memberFormation,  introduction,  cut,  lemma_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  lambdaEquality,  applyEquality,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality,  because_Cache,  functionEquality,  universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[op:T  {}\mrightarrow{}  T  {}\mrightarrow{}  T].  \mforall{}[id:T].    (Ident(T;op;id)  \mmember{}  \mBbbP{})



Date html generated: 2016_05_15-PM-00_02_14
Last ObjectModification: 2015_12_26-PM-11_25_29

Theory : gen_algebra_1


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