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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 6771 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 5473 |
. . . 4
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2 | fex2 5396 |
. . . 4
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3 | 1, 2 | syl3an1 1281 |
. . 3
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4 | 3 | 3coml 1211 |
. 2
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5 | simp3 1000 |
. 2
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6 | f1oen3g 6768 |
. 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 710 ax-5 1457 ax-7 1458 ax-gen 1459 ax-ie1 1503 ax-ie2 1504 ax-8 1514 ax-10 1515 ax-11 1516 ax-i12 1517 ax-bndl 1519 ax-4 1520 ax-17 1536 ax-i9 1540 ax-ial 1544 ax-i5r 1545 ax-13 2160 ax-14 2161 ax-ext 2169 ax-sep 4133 ax-pow 4186 ax-pr 4221 ax-un 4445 |
This theorem depends on definitions: df-bi 117 df-3an 981 df-tru 1366 df-nf 1471 df-sb 1773 df-eu 2039 df-mo 2040 df-clab 2174 df-cleq 2180 df-clel 2183 df-nfc 2318 df-ral 2470 df-rex 2471 df-v 2751 df-un 3145 df-in 3147 df-ss 3154 df-pw 3589 df-sn 3610 df-pr 3611 df-op 3613 df-uni 3822 df-br 4016 df-opab 4077 df-xp 4644 df-rel 4645 df-cnv 4646 df-co 4647 df-dm 4648 df-rn 4649 df-fun 5230 df-fn 5231 df-f 5232 df-f1 5233 df-fo 5234 df-f1o 5235 df-en 6755 |
This theorem is referenced by: f1oeng 6771 enrefg 6778 en2d 6782 en3d 6783 ener 6793 f1imaen2g 6807 cnven 6822 xpcomen 6841 xpfi 6943 iccen 10020 nnenom 10448 eqgen 13119 |
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