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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 2508 |
. . . 4
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2 | 1 | nfmo 2046 |
. . 3
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3 | rsp 2524 |
. . . . . . . 8
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4 | 3 | impd 254 |
. . . . . . 7
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5 | 4 | com12 30 |
. . . . . 6
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6 | 5 | alrimiv 1874 |
. . . . 5
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7 | moeq 2912 |
. . . . 5
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8 | moim 2090 |
. . . . 5
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9 | 6, 7, 8 | mpisyl 1446 |
. . . 4
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10 | 9 | ex 115 |
. . 3
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11 | 2, 10 | rexlimi 2587 |
. 2
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12 | mormo 2688 |
. 2
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13 | reu5 2689 |
. . 3
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14 | 13 | rbaib 921 |
. 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-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-ral 2460 df-rex 2461 df-reu 2462 df-rmo 2463 df-v 2739 |
This theorem is referenced by: (None) |
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