Nuprl Lemma : MMTree_Node_wf

[T:Type]. ∀[forest:MMTree(T) List List].  (MMTree_Node(forest) ∈ MMTree(T))


Proof




Definitions occuring in Statement :  MMTree_Node: MMTree_Node(forest) MMTree: MMTree(T) list: List uall: [x:A]. B[x] member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T MMTree: MMTree(T) MMTree_Node: MMTree_Node(forest) subtype_rel: A ⊆B eq_atom: =a y ifthenelse: if then else fi  bfalse: ff btrue: tt uimplies: supposing a 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 MMTreeco_size: MMTreeco_size(p) MMTree_size: MMTree_size(p) nat: le: A ≤ B less_than': less_than'(a;b) not: ¬A so_lambda: λ2x.t[x] 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 so_apply: x[s]
Lemmas referenced :  MMTreeco_size_wf has-value_wf-partial int-value-type set-value-type value-type-has-value nat_wf int_seg_wf MMTree_size_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 length_wf_nat sum-nat le_wf false_wf add_nat_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 MMTreeco_wf MMTree_wf list_wf subtype_rel_list MMTreeco-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 independent_isectElimination lambdaEquality setElimination rename because_Cache lambdaFormation unionElimination equalityElimination productElimination equalityTransitivity equalitySymmetry dependent_pairFormation promote_hyp dependent_functionElimination instantiate cumulativity independent_functionElimination voidElimination voidEquality equalityEquality natural_numberEquality independent_pairFormation int_eqEquality intEquality isect_memberEquality computeAll imageElimination introduction universeEquality

Latex:
\mforall{}[T:Type].  \mforall{}[forest:MMTree(T)  List  List].    (MMTree\_Node(forest)  \mmember{}  MMTree(T))



Date html generated: 2016_05_16-AM-08_55_00
Last ObjectModification: 2016_01_17-AM-09_41_31

Theory : C-semantics


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