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Mirrors > Home > ILE Home > Th. List > f1cnvcnv | Unicode version |
Description: Two ways to express that
a set ![]() |
Ref | Expression |
---|---|
f1cnvcnv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-f1 5216 |
. 2
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2 | dffn2 5362 |
. . . 4
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3 | dmcnvcnv 4846 |
. . . . 5
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4 | df-fn 5214 |
. . . . 5
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5 | 3, 4 | mpbiran2 941 |
. . . 4
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6 | 2, 5 | bitr3i 186 |
. . 3
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7 | relcnv 5001 |
. . . . 5
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8 | dfrel2 5074 |
. . . . 5
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9 | 7, 8 | mpbi 145 |
. . . 4
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10 | 9 | funeqi 5232 |
. . 3
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11 | 6, 10 | anbi12ci 461 |
. 2
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12 | 1, 11 | bitri 184 |
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-14 2151 ax-ext 2159 ax-sep 4118 ax-pow 4171 ax-pr 4205 |
This theorem depends on definitions: df-bi 117 df-3an 980 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-nfc 2308 df-ral 2460 df-rex 2461 df-v 2739 df-un 3133 df-in 3135 df-ss 3142 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-br 4001 df-opab 4062 df-xp 4628 df-rel 4629 df-cnv 4630 df-co 4631 df-dm 4632 df-rn 4633 df-fun 5213 df-fn 5214 df-f 5215 df-f1 5216 |
This theorem is referenced by: (None) |
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