Nuprl Lemma : coW-pos-agree_transitivity

∀[A:𝕌']. ∀[B:A ⟶ Type]. ∀[w,w':coW(A;a.B[a])].
  ∀p,q,r:Pos(coW-game(a.B[a];w;w')).
    (coW-pos-agree(a.B[a];w;w';p;q) ⇒ coW-pos-agree(a.B[a];w;w';q;r) ⇒ coW-pos-agree(a.B[a];w;w';p;r))


Proof




Definitions occuring in Statement :  coW-pos-agree: coW-pos-agree(a.B[a];w;w';p;q),  coW-game: coW-game(a.B[a];w;w'),  coW: coW(A;a.B[a]),  sg-pos: Pos(g),  uall: ∀[x:A]. B[x],  so_apply: x[s],  all: ∀x:A. B[x],  implies: P ⇒ Q,  function: x:A ⟶ B[x],  universe: Type
Definitions unfolded in proof :  so_apply: x[s],  so_lambda: λ2x.t[x],  prop: ℙ,  squash: ↓T,  uimplies: b supposing a,  guard: {T},  sq_stable: SqStable(P),  member: t ∈ T,  le: A ≤ B,  cand: A c∧ B,  and: P ∧ Q,  pi1: fst(t),  sg-pos: Pos(g),  coW-game: coW-game(a.B[a];w;w'),  coW-pos-agree: coW-pos-agree(a.B[a];w;w';p;q),  implies: P ⇒ Q,  all: ∀x:A. B[x],  uall: ∀[x:A]. B[x]
Lemmas referenced :  copathAgree_transitivity,  coW_wf,  coW-game_wf,  sg-pos_wf,  coW-pos-agree_wf,  le_transitivity,  sq_stable__le
Rules used in proof :  dependent_functionElimination,  universeEquality,  functionEquality,  cumulativity,  instantiate,  applyEquality,  lambdaEquality,  independent_pairFormation,  imageElimination,  baseClosed,  hypothesisEquality,  imageMemberEquality,  independent_isectElimination,  independent_functionElimination,  isectElimination,  extract_by_obid,  introduction,  hypothesis,  cut,  thin,  productElimination,  sqequalRule,  sqequalHypSubstitution,  lambdaFormation,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[A:\mBbbU{}'].  \mforall{}[B:A  {}\mrightarrow{}  Type].  \mforall{}[w,w':coW(A;a.B[a])].
    \mforall{}p,q,r:Pos(coW-game(a.B[a];w;w')).
        (coW-pos-agree(a.B[a];w;w';p;q)
        {}\mRightarrow{}  coW-pos-agree(a.B[a];w;w';q;r)
        {}\mRightarrow{}  coW-pos-agree(a.B[a];w;w';p;r))



Date html generated: 2018_07_25-PM-01_43_25
Last ObjectModification: 2018_06_20-PM-02_47_33

Theory : co-recursion


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