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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > nuleldmp | Structured version Visualization version GIF version |
Description: The empty set is an element of the domain of the probability. (Contributed by Thierry Arnoux, 22-Jan-2017.) |
Ref | Expression |
---|---|
nuleldmp | ⊢ (𝑃 ∈ Prob → ∅ ∈ dom 𝑃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | domprobsiga 34391 | . 2 ⊢ (𝑃 ∈ Prob → dom 𝑃 ∈ ∪ ran sigAlgebra) | |
2 | 0elsiga 34093 | . 2 ⊢ (dom 𝑃 ∈ ∪ ran sigAlgebra → ∅ ∈ dom 𝑃) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝑃 ∈ Prob → ∅ ∈ dom 𝑃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2108 ∅c0 4332 ∪ cuni 4905 dom cdm 5683 ran crn 5684 sigAlgebracsiga 34087 Probcprb 34387 |
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 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-sep 5294 ax-nul 5304 ax-pow 5363 ax-pr 5430 ax-un 7751 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-ral 3061 df-rex 3070 df-rab 3436 df-v 3481 df-sbc 3788 df-csb 3899 df-dif 3953 df-un 3955 df-in 3957 df-ss 3967 df-nul 4333 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-op 4631 df-uni 4906 df-br 5142 df-opab 5204 df-mpt 5224 df-id 5576 df-xp 5689 df-rel 5690 df-cnv 5691 df-co 5692 df-dm 5693 df-rn 5694 df-res 5695 df-ima 5696 df-iota 6512 df-fun 6561 df-fn 6562 df-f 6563 df-fv 6567 df-ov 7432 df-esum 34007 df-siga 34088 df-meas 34175 df-prob 34388 |
This theorem is referenced by: cndprobnul 34417 |
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