Nuprl Lemma : rng_lsum_cons_lemma

∀f,v,u,r:Top.  (Σ{r} x ∈ [u / v]. f[x] ~ f[u] +r Σ{r} x ∈ v. f[x])


Proof




Definitions occuring in Statement :  rng_lsum: Σ{r} x ∈ as. f[x],  cons: [a / b],  top: Top,  infix_ap: x f y,  so_apply: x[s],  all: ∀x:A. B[x],  sqequal: s ~ t,  rng_plus: +r
Definitions unfolded in proof :  top: Top,  member: t ∈ T,  all: ∀x:A. B[x],  infix_ap: x f y,  rng_lsum: Σ{r} x ∈ as. f[x]
Lemmas referenced :  top_wf,  reduce_cons_lemma,  map_cons_lemma
Rules used in proof :  lambdaFormation,  hypothesis,  voidEquality,  voidElimination,  isect_memberEquality,  thin,  dependent_functionElimination,  sqequalHypSubstitution,  extract_by_obid,  introduction,  cut,  computationStep,  sqequalTransitivity,  sqequalReflexivity,  sqequalRule,  sqequalSubstitution

Latex:
\mforall{}f,v,u,r:Top.    (\mSigma{}\{r\}  x  \mmember{}  [u  /  v].  f[x]  \msim{}  f[u]  +r  \mSigma{}\{r\}  x  \mmember{}  v.  f[x])



Date html generated: 2018_05_21-PM-09_32_41
Last ObjectModification: 2017_12_11-PM-00_41_38

Theory : matrices


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