Nuprl Lemma : hdf-base-transformation1

∀[F:Top]. (hdf-base(m.F[m]) ~ fix((λmk-hdf.(inl (λa.cbva_seq(λx.⊥; λg.<mk-hdf, F[a]>; 0))))))


Proof




Definitions occuring in Statement :  hdf-base: hdf-base(m.F[m]),  bottom: ⊥,  uall: ∀[x:A]. B[x],  top: Top,  so_apply: x[s],  fix: fix(F),  lambda: λx.A[x],  pair: <a, b>,  inl: inl x,  natural_number: $n,  sqequal: s ~ t,  cbva_seq: cbva_seq(L; F; m)
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  cbva_seq: cbva_seq(L; F; m),  hdf-base: hdf-base(m.F[m]),  it: ⋅,  mk-hdf: mk-hdf(s,m.G[s; m];st.H[st];s0),  ifthenelse: if b then t else f fi ,  bfalse: ff,  hdf-run: hdf-run(P),  callbyvalueall_seq: callbyvalueall_seq(L;G;F;n;m),  le_int: i ≤z j,  lt_int: i <z j,  bnot: ¬bb,  btrue: tt,  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  uimplies: b supposing a,  satisfiable_int_formula: satisfiable_int_formula(fmla),  exists: ∃x:A. B[x],  not: ¬A,  all: ∀x:A. B[x],  top: Top,  and: P ∧ Q,  prop: ℙ,  decidable: Dec(P),  or: P ∨ Q,  nat_plus: ℕ+,  so_apply: x[s]

Latex:
\mforall{}[F:Top].  (hdf-base(m.F[m])  \msim{}  fix((\mlambda{}mk-hdf.(inl  (\mlambda{}a.cbva\_seq(\mlambda{}x.\mbot{};  \mlambda{}g.<mk-hdf,  F[a]>  0))))))



Date html generated: 2016_05_16-AM-10_45_19
Last ObjectModification: 2016_01_17-AM-11_12_44

Theory : halting!dataflow


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