Nuprl Lemma : win2strat_subtype

∀[g:SimpleGame]. ∀[n,m:ℕ].  win2strat(g;n) ⊆r win2strat(g;m) supposing m ≤ n


Proof




Definitions occuring in Statement :  win2strat: win2strat(g;n),  simple-game: SimpleGame,  nat: ℕ,  uimplies: b supposing a,  subtype_rel: A ⊆r B,  uall: ∀[x:A]. B[x],  le: A ≤ B
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  nat: ℕ,  implies: P ⇒ Q,  false: False,  ge: i ≥ j ,  guard: {T},  uimplies: b supposing a,  prop: ℙ,  subtype_rel: A ⊆r B,  le: A ≤ B,  and: P ∧ Q,  less_than': less_than'(a;b),  not: ¬A,  squash: ↓T,  all: ∀x:A. B[x],  true: True,  decidable: Dec(P),  or: P ∨ Q,  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  uiff: uiff(P;Q),  subtract: n - m,  top: Top,  nat_plus: ℕ+,  so_lambda: λ2x.t[x],  so_apply: x[s],  sq_type: SQType(T)
Lemmas referenced :  nat_properties,  less_than_transitivity1,  less_than_irreflexivity,  ge_wf,  less_than_wf,  le_wf,  subtype_rel-equal,  win2strat_wf,  false_wf,  le_antisymmetry,  le_reflexive,  decidable__le,  subtract_wf,  not-ge-2,  less-iff-le,  condition-implies-le,  minus-one-mul,  zero-add,  minus-one-mul-top,  minus-add,  minus-minus,  add-associates,  add-swap,  add-commutes,  add_functionality_wrt_le,  add-zero,  le-add-cancel,  decidable__lt,  nat_wf,  simple-game_wf,  subtype_rel_transitivity,  le_weakening2,  not-le-2,  win2strat-properties,  subtype_base_sq,  set_subtype_base,  int_subtype_base,  decidable__int_equal,  not-equal-2,  not-lt-2,  subtype_rel_self
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  setElimination,  rename,  intWeakElimination,  lambdaFormation,  natural_numberEquality,  independent_isectElimination,  independent_functionElimination,  voidElimination,  sqequalRule,  lambdaEquality,  dependent_functionElimination,  isect_memberEquality,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  because_Cache,  dependent_set_memberEquality,  independent_pairFormation,  applyEquality,  imageElimination,  productElimination,  imageMemberEquality,  baseClosed,  unionElimination,  addEquality,  voidEquality,  intEquality,  minusEquality,  instantiate,  cumulativity

Latex:
\mforall{}[g:SimpleGame].  \mforall{}[n,m:\mBbbN{}].    win2strat(g;n)  \msubseteq{}r  win2strat(g;m)  supposing  m  \mleq{}  n



Date html generated: 2018_07_25-PM-01_32_21
Last ObjectModification: 2018_06_13-AM-10_58_55

Theory : co-recursion


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