Nuprl Lemma : irrefl_wf

∀[T:Type]. ∀[E:T ⟶ T ⟶ ℙ].  (Irrefl(T;x,y.E[x;y]) ∈ ℙ)


Proof




Definitions occuring in Statement :  irrefl: Irrefl(T;x,y.E[x; y]),  uall: ∀[x:A]. B[x],  prop: ℙ,  so_apply: x[s1;s2],  member: t ∈ T,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  irrefl: Irrefl(T;x,y.E[x; y]),  so_lambda: λ2x.t[x],  so_apply: x[s1;s2],  so_apply: x[s],  prop: ℙ
Lemmas referenced :  uall_wf,  not_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  Error :isect_memberFormation_alt,  introduction,  cut,  sqequalRule,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  lambdaEquality,  applyEquality,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  Error :functionIsType,  Error :universeIsType,  Error :inhabitedIsType,  universeEquality,  isect_memberEquality,  functionEquality,  cumulativity

Latex:
\mforall{}[T:Type].  \mforall{}[E:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].    (Irrefl(T;x,y.E[x;y])  \mmember{}  \mBbbP{})



Date html generated: 2019_06_20-PM-00_29_57
Last ObjectModification: 2018_09_26-AM-11_48_19

Theory : rel_1


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