Nuprl Lemma : RankEx2_ListProd_wf

[S,T:Type]. ∀[listprod:(S × RankEx2(S;T)) List].  (RankEx2_ListProd(listprod) ∈ RankEx2(S;T))


Proof




Definitions occuring in Statement :  RankEx2_ListProd: RankEx2_ListProd(listprod) RankEx2: RankEx2(S;T) list: List uall: [x:A]. B[x] member: t ∈ T product: x:A × B[x] universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T RankEx2: RankEx2(S;T) RankEx2_ListProd: RankEx2_ListProd(listprod) subtype_rel: A ⊆B eq_atom: =a y ifthenelse: if then else fi  bfalse: ff btrue: tt uimplies: supposing a so_lambda: λ2x.t[x] so_apply: x[s] all: x:A. B[x] implies:  Q bool: 𝔹 unit: Unit it: uiff: uiff(P;Q) and: P ∧ Q exists: x:A. B[x] prop: or: P ∨ Q sq_type: SQType(T) guard: {T} bnot: ¬bb assert: b false: False ext-eq: A ≡ B RankEx2co_size: RankEx2co_size(p) RankEx2_size: RankEx2_size(p) nat: le: A ≤ B less_than': less_than'(a;b) not: ¬A int_seg: {i..j-} lelt: i ≤ j < k decidable: Dec(P) satisfiable_int_formula: satisfiable_int_formula(fmla) top: Top less_than: a < b squash: T
Lemmas referenced :  RankEx2co_size_wf has-value_wf-partial int-value-type set-value-type value-type-has-value nat_wf int_seg_wf pi2_wf int_formula_prop_less_lemma intformless_wf decidable__lt int_formula_prop_wf 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 itermVar_wf itermConstant_wf intformle_wf intformnot_wf intformand_wf satisfiable-full-omega-tt decidable__le length_wf int_seg_properties select_wf RankEx2_size_wf length_wf_nat sum-nat le_wf false_wf add_nat_wf list_wf assert_of_eq_atom eqtt_to_assert neg_assert_of_eq_atom assert-bnot bool_subtype_base subtype_base_sq bool_cases_sqequal equal_wf eqff_to_assert bool_wf eq_atom_wf subtype_rel_product RankEx2co_wf RankEx2_wf subtype_rel_list RankEx2co-ext
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation cut dependent_set_memberEquality lemma_by_obid hypothesis sqequalHypSubstitution isectElimination thin hypothesisEquality sqequalRule dependent_pairEquality tokenEquality applyEquality productEquality independent_isectElimination lambdaEquality because_Cache lambdaFormation setElimination rename unionElimination equalityElimination productElimination equalityTransitivity equalitySymmetry dependent_pairFormation promote_hyp dependent_functionElimination instantiate cumulativity independent_functionElimination voidElimination unionEquality voidEquality equalityEquality natural_numberEquality independent_pairFormation int_eqEquality intEquality isect_memberEquality computeAll imageElimination universeEquality

Latex:
\mforall{}[S,T:Type].  \mforall{}[listprod:(S  \mtimes{}  RankEx2(S;T))  List].    (RankEx2\_ListProd(listprod)  \mmember{}  RankEx2(S;T))



Date html generated: 2016_05_16-AM-09_00_23
Last ObjectModification: 2016_01_17-AM-09_41_19

Theory : C-semantics


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