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Mirrors > Home > ILE Home > Th. List > f1oen2g | Unicode version |
Description: The domain and range of a one-to-one, onto function are equinumerous. This variation of f1oeng 6759 does not require the Axiom of Replacement. (Contributed by Mario Carneiro, 10-Sep-2015.) |
Ref | Expression |
---|---|
f1oen2g |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | f1of 5463 |
. . . 4
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2 | fex2 5386 |
. . . 4
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3 | 1, 2 | syl3an1 1271 |
. . 3
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4 | 3 | 3coml 1210 |
. 2
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5 | simp3 999 |
. 2
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6 | f1oen3g 6756 |
. 2
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7 | 4, 5, 6 | syl2anc 411 |
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-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-un 4435 |
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 2741 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-br 4006 df-opab 4067 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-fo 5224 df-f1o 5225 df-en 6743 |
This theorem is referenced by: f1oeng 6759 enrefg 6766 en2d 6770 en3d 6771 ener 6781 f1imaen2g 6795 cnven 6810 xpcomen 6829 xpfi 6931 iccen 10008 nnenom 10436 eqgen 13091 |
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