Nuprl Lemma : Markov-inequality

[p:FinProbSpace]. ∀[n:ℕ]. ∀[X:RandomVariable(p;n)].  ∀[e:ℚ]. E(n;e ≤ X) ≤ (E(n;X)/e) supposing 0 < supposing 0 ≤ X


Proof




Definitions occuring in Statement :  rv-le: X ≤ Y expectation: E(n;F) rv-const: a rv-qle: A ≤ B random-variable: RandomVariable(p;n) finite-prob-space: FinProbSpace nat: uimplies: supposing a uall: [x:A]. B[x] natural_number: $n qdiv: (r/s) rationals:
Lemmas :  rationals_wf qdiv_wf expectation_wf Error :qless_transitivity_2_qorder,  int-subtype-rationals Error :qle_weakening_eq_qorder,  Error :qless_irreflexivity,  equal-wf-T-base expectation-rv-scale iff_weakening_equal expectation-monotone rv-scale_wf Error :qle_wf,  assert-qeq assert_wf qeq_wf2 not_wf qmul_wf qinv_wf Error :qmul_assoc_qrng,  Error :qmul_one_qrng,  Error :qmul_comm_qrng,  Error :qinv-positive,  int_seg_wf p-outcome_wf q_le_wf bool_wf Error :qmul_preserves_qle,  bnot_wf uiff_transitivity2 eqtt_to_assert Error :assert-q_le-eq,  uiff_transitivity eqff_to_assert assert_of_bnot squash_wf true_wf Error :qmul_ac_1_qrng,  Error :qmul-qdiv-cancel,  Error :qmul_zero_qrng
\mforall{}[p:FinProbSpace].  \mforall{}[n:\mBbbN{}].  \mforall{}[X:RandomVariable(p;n)].
    \mforall{}[e:\mBbbQ{}].  E(n;e  \mleq{}  X)  \mleq{}  (E(n;X)/e)  supposing  0  <  e  supposing  0  \mleq{}  X



Date html generated: 2015_07_17-AM-07_59_48
Last ObjectModification: 2015_02_03-PM-09_44_47

Home Index