Nuprl Lemma : null-formal-sum_wf

[K:RngSig]. ∀[S:Type]. ∀[fs:basic-formal-sum(K;S)].  (null-formal-sum(K;S;fs) ∈ ℙ)


Proof




Definitions occuring in Statement :  null-formal-sum: null-formal-sum(K;S;fs) basic-formal-sum: basic-formal-sum(K;S) uall: [x:A]. B[x] prop: member: t ∈ T universe: Type rng_sig: RngSig
Definitions unfolded in proof :  so_apply: x[s] subtype_rel: A ⊆B basic-formal-sum: basic-formal-sum(K;S) so_lambda: λ2x.t[x] null-formal-sum: null-formal-sum(K;S;fs) member: t ∈ T uall: [x:A]. B[x]
Lemmas referenced :  rng_sig_wf basic-formal-sum_wf neg-bfs_wf bag-append_wf equal_wf rng_car_wf bag_wf exists_wf
Rules used in proof :  universeEquality isect_memberEquality equalitySymmetry equalityTransitivity axiomEquality because_Cache applyEquality lambdaEquality cumulativity hypothesis hypothesisEquality productEquality thin isectElimination sqequalHypSubstitution extract_by_obid sqequalRule cut introduction isect_memberFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}[K:RngSig].  \mforall{}[S:Type].  \mforall{}[fs:basic-formal-sum(K;S)].    (null-formal-sum(K;S;fs)  \mmember{}  \mBbbP{})



Date html generated: 2018_05_22-PM-09_47_09
Last ObjectModification: 2018_01_08-AM-11_44_59

Theory : linear!algebra


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