Nuprl Lemma : K-forces_wf

[K:mKripkeStruct]. ∀[fmla:mFOL()].  (K-forces(K;fmla) ∈ i:World ⟶ FOAssignment(mFOL-freevars(fmla),Dom(i)) ⟶ ℙ)


Proof




Definitions occuring in Statement :  K-forces: K-forces(K;fmla) K-dom: Dom(i) K-world: World mFO-Kripke-struct: mKripkeStruct mFOL-freevars: mFOL-freevars(fmla) mFOL: mFOL() FOAssignment: FOAssignment(vs,Dom) uall: [x:A]. B[x] prop: member: t ∈ T function: x:A ⟶ B[x]
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T all: x:A. B[x] nat: implies:  Q false: False ge: i ≥  uimplies: supposing a not: ¬A satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] top: Top and: P ∧ Q prop: guard: {T} int_seg: {i..j-} lelt: i ≤ j < k decidable: Dec(P) or: P ∨ Q subtype_rel: A ⊆B so_lambda: λ2x.t[x] so_apply: x[s] sq_type: SQType(T) ext-eq: A ≡ B bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) eq_atom: =a y ifthenelse: if then else fi  mFOatomic: name(vars) mFOL_size: mFOL_size(p) spreadn: spread3 bfalse: ff bnot: ¬bb assert: b mFOconnect: mFOconnect(knd;left;right) cand: c∧ B less_than: a < b squash: T mFOL-freevars: mFOL-freevars(fmla) mFOL_ind: mFOL_ind mFOquant: mFOquant(isall;var;body) filter: filter(P;l) reduce: reduce(f;k;as) list_ind: list_ind l_contains: A ⊆ B iff: ⇐⇒ Q rev_implies:  Q
Lemmas referenced :  nat_properties full-omega-unsat intformand_wf intformle_wf itermConstant_wf itermVar_wf intformless_wf istype-int int_formula_prop_and_lemma istype-void int_formula_prop_le_lemma int_term_value_constant_lemma int_term_value_var_lemma int_formula_prop_less_lemma int_formula_prop_wf ge_wf istype-less_than int_seg_properties int_seg_wf subtract-1-ge-0 decidable__equal_int subtract_wf subtype_base_sq set_subtype_base int_subtype_base intformnot_wf intformeq_wf itermSubtract_wf int_formula_prop_not_lemma int_formula_prop_eq_lemma int_term_value_subtract_lemma decidable__le decidable__lt le_wf subtype_rel_self mFOL-ext eq_atom_wf eqtt_to_assert assert_of_eq_atom atom_subtype_base K_forces_atomic_lemma K-sat_wf mFOatomic_wf FOAssignment_wf mFOL-freevars_wf K-dom_wf K-world_wf eqff_to_assert bool_cases_sqequal bool_wf bool_subtype_base assert-bnot neg_assert_of_eq_atom mFOL_size_wf itermAdd_wf int_term_value_add_lemma K_forces_connect_lemma subtype_rel_FOAssignment mFOconnect_wf val-union-l-union int-deq_wf int-valueall-type union-contains union-contains2 or_wf all_wf K-le_wf K-assignment_subtype K_forces_quant_lemma update-assignment_wf mFOquant_wf btrue_wf exists_wf filter_wf5 l_member_wf bnot_wf eq_int_wf bfalse_wf nat_wf mFOL_wf mFO-Kripke-struct_wf l_all_iff
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation_alt introduction cut thin lambdaFormation_alt extract_by_obid sqequalHypSubstitution isectElimination hypothesisEquality hypothesis setElimination rename sqequalRule intWeakElimination natural_numberEquality independent_isectElimination approximateComputation independent_functionElimination dependent_pairFormation_alt lambdaEquality_alt int_eqEquality dependent_functionElimination isect_memberEquality_alt voidElimination independent_pairFormation universeIsType axiomEquality equalityTransitivity equalitySymmetry productElimination functionIsTypeImplies inhabitedIsType unionElimination applyEquality instantiate because_Cache applyLambdaEquality dependent_set_memberEquality_alt productIsType hypothesis_subsumption promote_hyp tokenEquality equalityElimination cumulativity atomEquality equalityIsType2 baseApply closedConclusion baseClosed imageElimination productEquality intEquality functionEquality equalityIsType1 setIsType addEquality isectIsTypeImplies

Latex:
\mforall{}[K:mKripkeStruct].  \mforall{}[fmla:mFOL()].
    (K-forces(K;fmla)  \mmember{}  i:World  {}\mrightarrow{}  FOAssignment(mFOL-freevars(fmla),Dom(i))  {}\mrightarrow{}  \mBbbP{})



Date html generated: 2019_10_16-AM-11_45_23
Last ObjectModification: 2018_10_13-AM-10_19_50

Theory : minimal-first-order-logic


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