Nuprl Lemma : member-p-union

p:FinProbSpace. ∀A,B:p-open(p). ∀s:ℕ ─→ Outcome.  (s ∈ p-union(A;B) ⇐⇒ s ∈ A ∨ s ∈ B)


Proof




Definitions occuring in Statement :  p-union: p-union(A;B) p-open-member: s ∈ C p-open: p-open(p) p-outcome: Outcome finite-prob-space: FinProbSpace nat: all: x:A. B[x] iff: ⇐⇒ Q or: P ∨ Q function: x:A ─→ B[x]
Lemmas :  exists_wf nat_wf equal-wf-T-base eq_int_wf subtype_rel_dep_function p-outcome_wf int_seg_wf int_seg_subtype-nat false_wf subtype_rel_self bool_wf eqtt_to_assert assert_of_eq_int eqff_to_assert equal_wf bool_cases_sqequal subtype_base_sq bool_subtype_base assert-bnot neg_assert_of_eq_int or_wf set_wf all_wf le_wf finite-prob-space_wf assert_wf bnot_wf not_wf bool_cases iff_transitivity iff_weakening_uiff assert_of_bnot int_subtype_base uiff_transitivity
\mforall{}p:FinProbSpace.  \mforall{}A,B:p-open(p).  \mforall{}s:\mBbbN{}  {}\mrightarrow{}  Outcome.    (s  \mmember{}  p-union(A;B)  \mLeftarrow{}{}\mRightarrow{}  s  \mmember{}  A  \mvee{}  s  \mmember{}  B)



Date html generated: 2015_07_17-AM-08_00_29
Last ObjectModification: 2015_01_27-AM-11_22_23

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