Nuprl Lemma : seq-append-normalize

[n,m:ℕ]. ∀[s1,s2:Top].  (seq-append(n;m;s1;seq-normalize(m;s2)) seq-append(n;m;s1;s2))


Proof




Definitions occuring in Statement :  seq-normalize: seq-normalize(n;s) seq-append: seq-append(n;m;s1;s2) nat: uall: [x:A]. B[x] top: Top sqequal: t
Definitions unfolded in proof :  seq-append: seq-append(n;m;s1;s2) seq-normalize: seq-normalize(n;s) implies:  Q member: t ∈ T uall: [x:A]. B[x] nat: all: x:A. B[x] bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) and: P ∧ Q uimplies: supposing a less_than: a < b less_than': less_than'(a;b) top: Top true: True squash: T not: ¬A false: False bfalse: ff exists: x:A. B[x] or: P ∨ Q sq_type: SQType(T) guard: {T} bnot: ¬bb ifthenelse: if then else fi  assert: b iff: ⇐⇒ Q rev_implies:  Q prop: subtract: m subtype_rel: A ⊆B nat_plus: + le: A ≤ B has-value: (a)↓ so_lambda: λ2x.t[x] so_apply: x[s]
Lemmas referenced :  lt_int_wf eqtt_to_assert assert_of_lt_int istype-void eqff_to_assert bool_cases_sqequal subtype_base_sq bool_wf bool_subtype_base iff_transitivity assert_wf bnot_wf not_wf less_than_wf iff_weakening_uiff assert_of_bnot subtract_wf add-commutes minus-one-mul less-iff-le add_functionality_wrt_le le_reflexive minus-one-mul-top add-associates minus-add one-mul add-swap add-mul-special two-mul mul-distributes-right zero-mul add-zero zero-add not-lt-2 mul-associates omega-shadow mul-distributes mul-swap le-add-cancel top_wf nat_wf nat_properties set_subtype_base le_wf istype-int int_subtype_base has-value_wf_base is-exception_wf bottom-sqle
Rules used in proof :  sqequalSubstitution sqequalRule sqequalReflexivity sqequalTransitivity computationStep cut thin Error :lambdaFormation_alt,  introduction extract_by_obid sqequalHypSubstitution isectElimination hypothesis setElimination rename hypothesisEquality Error :inhabitedIsType,  unionElimination equalityElimination equalityTransitivity equalitySymmetry productElimination independent_isectElimination because_Cache lessCases Error :isect_memberFormation_alt,  axiomSqEquality Error :isect_memberEquality_alt,  Error :universeIsType,  independent_pairFormation voidElimination natural_numberEquality imageMemberEquality baseClosed imageElimination independent_functionElimination Error :dependent_pairFormation_alt,  Error :equalityIsType1,  promote_hyp dependent_functionElimination instantiate cumulativity addEquality Error :equalityIsType4,  intEquality multiplyEquality applyEquality Error :lambdaEquality_alt,  minusEquality Error :dependent_set_memberEquality_alt,  sqequalSqle divergentSqle callbyvalueLess baseApply closedConclusion sqleReflexivity lessExceptionCases axiomSqleEquality exceptionSqequal

Latex:
\mforall{}[n,m:\mBbbN{}].  \mforall{}[s1,s2:Top].    (seq-append(n;m;s1;seq-normalize(m;s2))  \msim{}  seq-append(n;m;s1;s2))



Date html generated: 2019_06_20-AM-11_28_38
Last ObjectModification: 2018_09_28-PM-10_42_46

Theory : bar-induction


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