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Mirrors > Home > ILE Home > Th. List > difopab | Unicode version |
Description: The difference of two ordered-pair abstractions. (Contributed by Stefan O'Rear, 17-Jan-2015.) |
Ref | Expression |
---|---|
difopab |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relopab 4626 |
. . 3
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2 | reldif 4619 |
. . 3
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3 | 1, 2 | ax-mp 7 |
. 2
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4 | relopab 4626 |
. 2
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5 | sbcan 2919 |
. . . 4
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6 | sbcan 2919 |
. . . . 5
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7 | 6 | sbcbii 2936 |
. . . 4
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8 | opelopabsb 4142 |
. . . . 5
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9 | vex 2660 |
. . . . . . 7
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10 | sbcng 2917 |
. . . . . . 7
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11 | 9, 10 | ax-mp 7 |
. . . . . 6
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12 | vex 2660 |
. . . . . . . 8
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13 | sbcng 2917 |
. . . . . . . 8
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14 | 12, 13 | ax-mp 7 |
. . . . . . 7
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15 | 14 | sbcbii 2936 |
. . . . . 6
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16 | opelopabsb 4142 |
. . . . . . 7
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17 | 16 | notbii 640 |
. . . . . 6
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18 | 11, 15, 17 | 3bitr4ri 212 |
. . . . 5
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19 | 8, 18 | anbi12i 453 |
. . . 4
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20 | 5, 7, 19 | 3bitr4ri 212 |
. . 3
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21 | eldif 3046 |
. . 3
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22 | opelopabsb 4142 |
. . 3
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23 | 20, 21, 22 | 3bitr4i 211 |
. 2
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24 | 3, 4, 23 | eqrelriiv 4593 |
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 105 ax-ia2 106 ax-ia3 107 ax-in1 586 ax-in2 587 ax-io 681 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-10 1466 ax-11 1467 ax-i12 1468 ax-bndl 1469 ax-4 1470 ax-14 1475 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-sep 4006 ax-pow 4058 ax-pr 4091 |
This theorem depends on definitions: df-bi 116 df-3an 947 df-tru 1317 df-fal 1320 df-nf 1420 df-sb 1719 df-eu 1978 df-mo 1979 df-clab 2102 df-cleq 2108 df-clel 2111 df-nfc 2244 df-ral 2395 df-rex 2396 df-v 2659 df-sbc 2879 df-dif 3039 df-un 3041 df-in 3043 df-ss 3050 df-pw 3478 df-sn 3499 df-pr 3500 df-op 3502 df-opab 3950 df-xp 4505 df-rel 4506 |
This theorem is referenced by: (None) |
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