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Mirrors > Home > ILE Home > Th. List > f1oco | Unicode version |
Description: Composition of one-to-one onto functions. (Contributed by NM, 19-Mar-1998.) |
Ref | Expression |
---|---|
f1oco |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-f1o 5242 |
. . 3
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2 | df-f1o 5242 |
. . 3
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3 | f1co 5452 |
. . . . 5
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4 | foco 5467 |
. . . . 5
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5 | 3, 4 | anim12i 338 |
. . . 4
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6 | 5 | an4s 588 |
. . 3
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7 | 1, 2, 6 | syl2anb 291 |
. 2
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8 | df-f1o 5242 |
. 2
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9 | 7, 8 | sylibr 134 |
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 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2163 ax-ext 2171 ax-sep 4136 ax-pow 4192 ax-pr 4227 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-v 2754 df-un 3148 df-in 3150 df-ss 3157 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-br 4019 df-opab 4080 df-id 4311 df-xp 4650 df-rel 4651 df-cnv 4652 df-co 4653 df-dm 4654 df-rn 4655 df-fun 5237 df-fn 5238 df-f 5239 df-f1 5240 df-fo 5241 df-f1o 5242 |
This theorem is referenced by: isotr 5838 ener 6805 hashfacen 10848 nnf1o 11416 summodclem3 11420 fsumf1o 11430 prodmodclem3 11615 fprodf1o 11628 eulerthlemh 12263 |
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