Nuprl Lemma : array_wf

[Val:Type]. ∀[n:ℕ].  (array{i:l}(Val;n) ∈ 𝕌')


Proof




Definitions occuring in Statement :  array: array{i:l}(Val;n) nat: uall: [x:A]. B[x] member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T array: array{i:l}(Val;n) nat: subtype_rel: A ⊆B so_lambda: λ2x.t[x] so_apply: x[s] prop: int_seg: {i..j-} all: x:A. B[x] implies:  Q bool: 𝔹 unit: Unit it: btrue: tt ifthenelse: if then else fi  bfalse: ff uiff: uiff(P;Q) and: P ∧ Q uimplies: supposing a exists: x:A. B[x] or: P ∨ Q sq_type: SQType(T) guard: {T} bnot: ¬bb assert: b false: False
Lemmas referenced :  int_seg_wf uall_wf equal_wf eq_int_wf bool_wf eqff_to_assert bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot neg_assert_of_eq_int nat_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule productEquality universeEquality functionEquality extract_by_obid sqequalHypSubstitution isectElimination thin natural_numberEquality setElimination rename because_Cache hypothesis applyEquality lambdaEquality cumulativity hypothesisEquality functionExtensionality lambdaFormation unionElimination equalityElimination productElimination independent_isectElimination equalityTransitivity equalitySymmetry dependent_pairFormation promote_hyp dependent_functionElimination instantiate independent_functionElimination voidElimination axiomEquality isect_memberEquality

Latex:
\mforall{}[Val:Type].  \mforall{}[n:\mBbbN{}].    (array\{i:l\}(Val;n)  \mmember{}  \mBbbU{}')



Date html generated: 2017_10_01-AM-08_43_44
Last ObjectModification: 2017_07_26-PM-04_29_55

Theory : monads


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