Nuprl Lemma : mccarthy91_wf

x:ℤ(mccarthy91(x) ∈ {91...})


Proof




Definitions occuring in Statement :  mccarthy91: mccarthy91(x) int_upper: {i...} all: x:A. B[x] member: t ∈ T natural_number: $n int:
Definitions unfolded in proof :  top: Top satisfiable_int_formula: satisfiable_int_formula(fmla) decidable: Dec(P) sq_stable: SqStable(P) not: ¬A false: False assert: b bnot: ¬bb sq_type: SQType(T) or: P ∨ Q exists: x:A. B[x] bfalse: ff guard: {T} squash: T prop: so_apply: x[s] so_lambda: λ2x.t[x] int_upper: {i...} ifthenelse: if then else fi  uimplies: supposing a and: P ∧ Q uiff: uiff(P;Q) uall: [x:A]. B[x] btrue: tt it: unit: Unit bool: 𝔹 implies:  Q subtype_rel: A ⊆B member: t ∈ T all: x:A. B[x]
Lemmas referenced :  int_term_value_subtract_lemma itermSubtract_wf int_formula_prop_wf int_formula_prop_eq_lemma int_term_value_var_lemma int_term_value_constant_lemma int_formula_prop_le_lemma int_formula_prop_not_lemma int_formula_prop_and_lemma intformeq_wf itermVar_wf itermConstant_wf intformle_wf intformnot_wf intformand_wf full-omega-unsat decidable__le assert-bnot bool_subtype_base subtype_base_sq bool_cases_sqequal equal_wf eqff_to_assert sq_stable__equal bool_wf le_int_wf le_wf int_subtype_base equal-wf-base subtype_rel_sets assert_of_le_int eqtt_to_assert mccarthy91_wf1
Rules used in proof :  closedConclusion baseApply independent_pairFormation voidEquality isect_memberEquality int_eqEquality approximateComputation voidElimination independent_functionElimination cumulativity instantiate promote_hyp dependent_pairFormation equalitySymmetry equalityTransitivity imageElimination imageMemberEquality applyLambdaEquality setEquality rename setElimination baseClosed lambdaEquality intEquality sqequalRule natural_numberEquality independent_isectElimination productElimination isectElimination equalityElimination unionElimination because_Cache applyEquality hypothesis hypothesisEquality thin dependent_functionElimination sqequalHypSubstitution extract_by_obid introduction cut lambdaFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}x:\mBbbZ{}.  (mccarthy91(x)  \mmember{}  \{91...\})



Date html generated: 2018_05_21-PM-00_30_45
Last ObjectModification: 2017_12_27-PM-06_47_29

Theory : int_2


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