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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > sigaex | Structured version Visualization version Unicode version |
Description: Lemma for issiga 30174 and isrnsiga 30176. The class of sigma-algebras with
base set ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
sigaex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rab 2921 |
. . 3
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2 | selpw 4165 |
. . . . 5
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3 | 2 | anbi1i 731 |
. . . 4
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4 | 3 | abbii 2739 |
. . 3
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5 | 1, 4 | eqtri 2644 |
. 2
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6 | vex 3203 |
. . . 4
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7 | pwexg 4850 |
. . . 4
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8 | pwexg 4850 |
. . . 4
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9 | 6, 7, 8 | mp2b 10 |
. . 3
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10 | 9 | rabex 4813 |
. 2
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11 | 5, 10 | eqeltrri 2698 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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 ax-sep 4781 ax-pow 4843 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 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-rab 2921 df-v 3202 df-in 3581 df-ss 3588 df-pw 4160 |
This theorem is referenced by: issiga 30174 isrnsiga 30176 |
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