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Mirrors > Home > ILE Home > Th. List > dfse2 | Unicode version |
Description: Alternate definition of set-like relation. (Contributed by Mario Carneiro, 23-Jun-2015.) |
Ref | Expression |
---|---|
dfse2 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-se 4116 |
. 2
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2 | dfrab3 3256 |
. . . . 5
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3 | vex 2613 |
. . . . . . 7
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4 | iniseg 4747 |
. . . . . . 7
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5 | 3, 4 | ax-mp 7 |
. . . . . 6
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6 | 5 | ineq2i 3180 |
. . . . 5
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7 | 2, 6 | eqtr4i 2106 |
. . . 4
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8 | 7 | eleq1i 2148 |
. . 3
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9 | 8 | ralbii 2377 |
. 2
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10 | 1, 9 | bitri 182 |
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-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2065 ax-sep 3916 ax-pow 3968 ax-pr 3992 |
This theorem depends on definitions: df-bi 115 df-3an 922 df-tru 1288 df-nf 1391 df-sb 1688 df-eu 1946 df-mo 1947 df-clab 2070 df-cleq 2076 df-clel 2079 df-nfc 2212 df-ral 2358 df-rex 2359 df-rab 2362 df-v 2612 df-sbc 2825 df-un 2986 df-in 2988 df-ss 2995 df-pw 3402 df-sn 3422 df-pr 3423 df-op 3425 df-br 3806 df-opab 3860 df-se 4116 df-xp 4397 df-cnv 4399 df-dm 4401 df-rn 4402 df-res 4403 df-ima 4404 |
This theorem is referenced by: isoselem 5510 |
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