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Mirrors > Home > MPE Home > Th. List > Mathboxes > saluni | Structured version Visualization version Unicode version |
Description: A set is an element of any sigma-algebra on it . (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
saluni | SAlg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dif0 3950 | . 2 | |
2 | 0sal 40540 | . . 3 SAlg | |
3 | saldifcl 40539 | . . 3 SAlg | |
4 | 2, 3 | mpdan 702 | . 2 SAlg |
5 | 1, 4 | syl5eqelr 2706 | 1 SAlg |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wcel 1990 cdif 3571 c0 3915 cuni 4436 SAlgcsalg 40528 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-in 3581 df-ss 3588 df-nul 3916 df-pw 4160 df-uni 4437 df-salg 40529 |
This theorem is referenced by: intsaluni 40547 unisalgen 40558 salgencntex 40561 salunid 40571 |
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