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Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-uniex2 | Unicode version |
Description: uniex2 4467 from bounded separation. (Contributed by BJ, 15-Oct-2019.) (Proof modification is discouraged.) |
Ref | Expression |
---|---|
bj-uniex2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bdcuni 15368 |
. . . 4
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2 | 1 | bdeli 15338 |
. . 3
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3 | zfun 4465 |
. . . 4
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4 | eluni 3838 |
. . . . . . 7
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5 | 4 | imbi1i 238 |
. . . . . 6
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6 | 5 | albii 1481 |
. . . . 5
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7 | 6 | exbii 1616 |
. . . 4
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8 | 3, 7 | mpbir 146 |
. . 3
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9 | 2, 8 | bdbm1.3ii 15383 |
. 2
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10 | dfcleq 2187 |
. . 3
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11 | 10 | exbii 1616 |
. 2
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12 | 9, 11 | mpbir 146 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2166 ax-14 2167 ax-ext 2175 ax-un 4464 ax-bd0 15305 ax-bdex 15311 ax-bdel 15313 ax-bdsb 15314 ax-bdsep 15376 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-rex 2478 df-v 2762 df-uni 3836 df-bdc 15333 |
This theorem is referenced by: bj-uniex 15409 |
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