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Mirrors > Home > ILE Home > Th. List > 0nelop | Unicode version |
Description: A property of ordered pairs. (Contributed by Mario Carneiro, 26-Apr-2015.) |
Ref | Expression |
---|---|
0nelop |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 19 |
. . . 4
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2 | oprcl 3594 |
. . . . 5
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3 | dfopg 3568 |
. . . . 5
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4 | 2, 3 | syl 14 |
. . . 4
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5 | 1, 4 | eleqtrd 2157 |
. . 3
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6 | elpri 3421 |
. . 3
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7 | 5, 6 | syl 14 |
. 2
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8 | 2 | simpld 110 |
. . . . . 6
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9 | snnzg 3507 |
. . . . . 6
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10 | 8, 9 | syl 14 |
. . . . 5
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11 | 10 | necomd 2331 |
. . . 4
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12 | prnzg 3514 |
. . . . . 6
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13 | 8, 12 | syl 14 |
. . . . 5
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14 | 13 | necomd 2331 |
. . . 4
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15 | 11, 14 | jca 300 |
. . 3
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16 | neanior 2332 |
. . 3
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17 | 15, 16 | sylib 120 |
. 2
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18 | 7, 17 | pm2.65i 600 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-v 2603 df-dif 2975 df-un 2977 df-nul 3252 df-sn 3404 df-pr 3405 df-op 3407 |
This theorem is referenced by: 0nelelxp 4391 |
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