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Theorem nuleldmp 34414
Description: The empty set is an element of the domain of the probability. (Contributed by Thierry Arnoux, 22-Jan-2017.)
Assertion
Ref Expression
nuleldmp (𝑃 ∈ Prob → ∅ ∈ dom 𝑃)

Proof of Theorem nuleldmp
StepHypRef Expression
1 domprobsiga 34408 . 2 (𝑃 ∈ Prob → dom 𝑃 ran sigAlgebra)
2 0elsiga 34110 . 2 (dom 𝑃 ran sigAlgebra → ∅ ∈ dom 𝑃)
31, 2syl 17 1 (𝑃 ∈ Prob → ∅ ∈ dom 𝑃)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2109  c0 4298   cuni 4873  dom cdm 5640  ran crn 5641  sigAlgebracsiga 34104  Probcprb 34404
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2702  ax-sep 5253  ax-nul 5263  ax-pow 5322  ax-pr 5389  ax-un 7713
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ne 2927  df-ral 3046  df-rex 3055  df-rab 3409  df-v 3452  df-sbc 3756  df-csb 3865  df-dif 3919  df-un 3921  df-in 3923  df-ss 3933  df-nul 4299  df-if 4491  df-pw 4567  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4874  df-br 5110  df-opab 5172  df-mpt 5191  df-id 5535  df-xp 5646  df-rel 5647  df-cnv 5648  df-co 5649  df-dm 5650  df-rn 5651  df-res 5652  df-ima 5653  df-iota 6466  df-fun 6515  df-fn 6516  df-f 6517  df-fv 6521  df-ov 7392  df-esum 34024  df-siga 34105  df-meas 34192  df-prob 34405
This theorem is referenced by:  cndprobnul  34434
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