Nuprl Lemma : strict4-bag-combine

strict4(λx,y,z,w. ⋃b∈x.y[b])


Proof




Definitions occuring in Statement :  bag-combine: ⋃x∈bs.f[x],  strict4: strict4(F),  so_apply: x[s],  lambda: λx.A[x]
Definitions unfolded in proof :  bag-combine: ⋃x∈bs.f[x],  bag-map: bag-map(f;bs),  bag-union: bag-union(bbs)
Lemmas referenced :  strict4-concat-map
Rules used in proof :  sqequalSubstitution,  sqequalRule,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  cut,  lemma_by_obid,  hypothesis

Latex:
strict4(\mlambda{}x,y,z,w.  \mcup{}b\mmember{}x.y[b])



Date html generated: 2016_05_15-PM-02_28_06
Last ObjectModification: 2015_12_27-AM-09_51_01

Theory : bags


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