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Mirrors > Home > ILE Home > Th. List > reusv1 | Unicode version |
Description: Two ways to express
single-valuedness of a class expression
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Ref | Expression |
---|---|
reusv1 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfra1 2355 |
. . . 4
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2 | 1 | nfmo 1920 |
. . 3
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3 | rsp 2369 |
. . . . . . . 8
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4 | 3 | impd 242 |
. . . . . . 7
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5 | 4 | com12 27 |
. . . . . 6
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6 | 5 | alrimiv 1754 |
. . . . 5
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7 | moeq 2716 |
. . . . 5
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8 | moim 1964 |
. . . . 5
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9 | 6, 7, 8 | mpisyl 1335 |
. . . 4
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10 | 9 | ex 108 |
. . 3
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11 | 2, 10 | rexlimi 2426 |
. 2
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12 | mormo 2521 |
. 2
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13 | reu5 2522 |
. . 3
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14 | 13 | rbaib 830 |
. 2
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15 | 11, 12, 14 | 3syl 17 |
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 99 ax-ia2 100 ax-ia3 101 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-ral 2311 df-rex 2312 df-reu 2313 df-rmo 2314 df-v 2559 |
This theorem is referenced by: (None) |
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