Nuprl Lemma : ws_nil_lemma

F:Top. (weighted-sum([];F) 0)


Proof




Definitions occuring in Statement :  weighted-sum: weighted-sum(p;F) nil: [] top: Top all: x:A. B[x] natural_number: $n sqequal: t
Definitions unfolded in proof :  all: x:A. B[x] member: t ∈ T weighted-sum: weighted-sum(p;F) qsum: Σa ≤ j < b. E[j] rng_sum: rng_sum mon_itop: Π lb ≤ i < ub. E[i] itop: Π(op,id) lb ≤ i < ub. E[i] ycomb: Y add_grp_of_rng: r↓+gp grp_op: * pi2: snd(t) pi1: fst(t) grp_id: e select: L[n] uall: [x:A]. B[x] uimplies: supposing a nil: [] it: so_lambda: λ2y.t[x; y] top: Top so_apply: x[s1;s2] lt_int: i <j qrng: <ℚ+*> rng_plus: +r rng_zero: 0 subtract: m ifthenelse: if then else fi  bfalse: ff
Lemmas referenced :  base_wf stuck-spread length_of_nil_lemma top_wf
Rules used in proof :  sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity lambdaFormation cut hypothesis lemma_by_obid sqequalRule sqequalHypSubstitution isectElimination thin baseClosed independent_isectElimination isect_memberEquality voidElimination voidEquality

Latex:
\mforall{}F:Top.  (weighted-sum([];F)  \msim{}  0)



Date html generated: 2016_05_15-PM-11_45_10
Last ObjectModification: 2016_01_17-AM-10_07_22

Theory : randomness


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