Nuprl Lemma : bag-parts'_wf

[T:Type]
  ∀[eq:EqDecider(T)]. ∀[x:T]. ∀[bs:bag(T)].  (bag-parts'(eq;bs;x) ∈ bag(bag(T) List+)) supposing valueall-type(T)


Proof




Definitions occuring in Statement :  bag-parts': bag-parts'(eq;bs;x) bag: bag(T) listp: List+ deq: EqDecider(T) valueall-type: valueall-type(T) uimplies: supposing a uall: [x:A]. B[x] member: t ∈ T universe: Type
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T uimplies: supposing a bag-parts': bag-parts'(eq;bs;x) all: x:A. B[x] implies:  Q bool: 𝔹 unit: Unit it: btrue: tt uiff: uiff(P;Q) and: P ∧ Q ifthenelse: if then else fi  bfalse: ff iff: ⇐⇒ Q not: ¬A prop: rev_implies:  Q listp: List+ so_lambda: λ2x.t[x] so_apply: x[s] callbyvalueall: callbyvalueall has-value: (a)↓ has-valueall: has-valueall(a) subtype_rel: A ⊆B nat:
Lemmas referenced :  bag-null_wf bool_wf uiff_transitivity equal-wf-T-base assert_wf bag_wf eqtt_to_assert assert-bag-null single-bag_wf listp_wf cons_wf_listp nil_wf iff_transitivity bnot_wf not_wf iff_weakening_uiff eqff_to_assert assert_of_bnot valueall-type-has-valueall bag-valueall-type set-valueall-type list_wf less_than_wf length_wf list-valueall-type bag-parts_wf evalall-reduce bag-append_wf bag-map_wf empty-bag_wf bag-filter_wf eq_int_wf bag-count_wf hd_wf listp_properties nat_wf subtype_rel_bag equal_wf deq_wf valueall-type_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity isect_memberFormation introduction cut sqequalRule extract_by_obid sqequalHypSubstitution dependent_functionElimination thin cumulativity hypothesisEquality hypothesis lambdaFormation unionElimination equalityElimination isectElimination equalityTransitivity equalitySymmetry baseClosed independent_functionElimination because_Cache productElimination independent_isectElimination independent_pairFormation impliesFunctionality lambdaEquality natural_numberEquality callbyvalueReduce setElimination rename applyEquality setEquality axiomEquality isect_memberEquality universeEquality

Latex:
\mforall{}[T:Type]
    \mforall{}[eq:EqDecider(T)].  \mforall{}[x:T].  \mforall{}[bs:bag(T)].    (bag-parts'(eq;bs;x)  \mmember{}  bag(bag(T)  List\msupplus{})) 
    supposing  valueall-type(T)



Date html generated: 2018_05_21-PM-09_51_10
Last ObjectModification: 2017_07_26-PM-06_31_28

Theory : bags_2


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