Nuprl Lemma : member-bag-to-set

∀[T:Type]. ∀[eq:EqDecider(T)]. ∀[bs:bag(T)]. ∀[x:T].  uiff(x ↓∈ bs;x ↓∈ bag-to-set(eq;bs))


Proof




Definitions occuring in Statement :  bag-to-set: bag-to-set(eq;bs),  bag-member: x ↓∈ bs,  bag: bag(T),  deq: EqDecider(T),  uiff: uiff(P;Q),  uall: ∀[x:A]. B[x],  universe: Type
Definitions unfolded in proof :  bag-to-set: bag-to-set(eq;bs)
Lemmas referenced :  member-bag-remove-repeats
Rules used in proof :  cut,  lemma_by_obid,  sqequalHypSubstitution,  sqequalSubstitution,  sqequalRule,  sqequalReflexivity,  sqequalTransitivity,  computationStep,  hypothesis

Latex:
\mforall{}[T:Type].  \mforall{}[eq:EqDecider(T)].  \mforall{}[bs:bag(T)].  \mforall{}[x:T].    uiff(x  \mdownarrow{}\mmember{}  bs;x  \mdownarrow{}\mmember{}  bag-to-set(eq;bs))



Date html generated: 2016_05_15-PM-08_03_06
Last ObjectModification: 2015_12_27-PM-04_15_29

Theory : bags_2


Home Index