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Mirrors > Home > ILE Home > Th. List > cnvf1o | Unicode version |
Description: Describe a function that maps the elements of a set to its converse bijectively. (Contributed by Mario Carneiro, 27-Apr-2014.) |
Ref | Expression |
---|---|
cnvf1o |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2193 |
. 2
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2 | snexg 4213 |
. . . 4
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3 | cnvexg 5203 |
. . . 4
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4 | uniexg 4470 |
. . . 4
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5 | 2, 3, 4 | 3syl 17 |
. . 3
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6 | 5 | adantl 277 |
. 2
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7 | snexg 4213 |
. . . 4
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8 | cnvexg 5203 |
. . . 4
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9 | uniexg 4470 |
. . . 4
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10 | 7, 8, 9 | 3syl 17 |
. . 3
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11 | 10 | adantl 277 |
. 2
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12 | cnvf1olem 6277 |
. . 3
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13 | relcnv 5043 |
. . . . 5
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14 | simpr 110 |
. . . . 5
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15 | cnvf1olem 6277 |
. . . . 5
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16 | 13, 14, 15 | sylancr 414 |
. . . 4
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17 | dfrel2 5116 |
. . . . . . 7
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18 | eleq2 2257 |
. . . . . . 7
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19 | 17, 18 | sylbi 121 |
. . . . . 6
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20 | 19 | anbi1d 465 |
. . . . 5
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21 | 20 | adantr 276 |
. . . 4
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22 | 16, 21 | mpbid 147 |
. . 3
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23 | 12, 22 | impbida 596 |
. 2
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24 | 1, 6, 11, 23 | f1od 6121 |
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-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-sbc 2986 df-un 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-uni 3836 df-br 4030 df-opab 4091 df-mpt 4092 df-id 4324 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 df-iota 5215 df-fun 5256 df-fn 5257 df-f 5258 df-f1 5259 df-fo 5260 df-f1o 5261 df-fv 5262 df-1st 6193 df-2nd 6194 |
This theorem is referenced by: tposf12 6322 cnven 6862 xpcomf1o 6879 fsumcnv 11580 fprodcnv 11768 |
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