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Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > eliuniin | Structured version Visualization version Unicode version |
Description: Indexed union of indexed intersections. (Contributed by Glauco Siliprandi, 26-Jun-2021.) |
Ref | Expression |
---|---|
eliuniin.1 |
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Ref | Expression |
---|---|
eliuniin |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eliuniin.1 |
. . . . 5
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2 | 1 | eleq2i 2693 |
. . . 4
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3 | eliun 4524 |
. . . 4
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4 | 2, 3 | sylbb 209 |
. . 3
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5 | eliin 4525 |
. . . . . 6
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6 | 5 | ibi 256 |
. . . . 5
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7 | 6 | a1i 11 |
. . . 4
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8 | 7 | reximdv 3016 |
. . 3
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9 | 4, 8 | mpd 15 |
. 2
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10 | simp2 1062 |
. . . . . 6
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11 | eliin 4525 |
. . . . . . 7
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12 | 11 | biimpar 502 |
. . . . . 6
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13 | rspe 3003 |
. . . . . 6
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14 | 10, 12, 13 | 3imp3i2an 1278 |
. . . . 5
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15 | 14, 3 | sylibr 224 |
. . . 4
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16 | 15, 2 | sylibr 224 |
. . 3
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17 | 16 | rexlimdv3a 3033 |
. 2
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18 | 9, 17 | impbid2 216 |
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 |
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-v 3202 df-iun 4522 df-iin 4523 |
This theorem is referenced by: (None) |
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