Nuprl Lemma : from-upto-single

[n:ℤ]. ([n, 1) [n])


Proof




Definitions occuring in Statement :  from-upto: [n, m) cons: [a b] nil: [] uall: [x:A]. B[x] add: m natural_number: $n int: sqequal: t
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T and: P ∧ Q prop: uimplies: supposing a so_lambda: λ2x.t[x] so_apply: x[s] squash: T label: ...$L... t cand: c∧ B all: x:A. B[x] decidable: Dec(P) or: P ∨ Q satisfiable_int_formula: satisfiable_int_formula(fmla) exists: x:A. B[x] false: False implies:  Q not: ¬A top: Top true: True subtype_rel: A ⊆B guard: {T} iff: ⇐⇒ Q rev_implies:  Q sq_type: SQType(T)
Lemmas referenced :  subtype_base_sq list_wf le_wf less_than_wf list_subtype_base set_subtype_base int_subtype_base equal_wf squash_wf true_wf from-upto-is-singleton strong-subtype-equal-lists strong-subtype-set3 strong-subtype-self from-upto_wf cons_wf decidable__le satisfiable-full-omega-tt intformnot_wf intformle_wf itermVar_wf int_formula_prop_not_lemma int_formula_prop_le_lemma int_term_value_var_lemma int_formula_prop_wf decidable__lt intformless_wf itermAdd_wf itermConstant_wf int_formula_prop_less_lemma int_term_value_add_lemma int_term_value_constant_lemma nil_wf iff_weakening_equal
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut thin instantiate extract_by_obid sqequalHypSubstitution isectElimination cumulativity setEquality intEquality productEquality hypothesisEquality hypothesis addEquality natural_numberEquality independent_isectElimination sqequalRule lambdaEquality applyEquality imageElimination equalityTransitivity equalitySymmetry universeEquality because_Cache dependent_set_memberEquality dependent_functionElimination unionElimination dependent_pairFormation int_eqEquality isect_memberEquality voidElimination voidEquality computeAll independent_pairFormation imageMemberEquality baseClosed productElimination independent_functionElimination sqequalAxiom

Latex:
\mforall{}[n:\mBbbZ{}].  ([n,  n  +  1)  \msim{}  [n])



Date html generated: 2017_04_17-AM-07_56_26
Last ObjectModification: 2017_02_27-PM-04_27_55

Theory : list_1


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