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Mirrors > Home > ILE Home > Th. List > f1stres | Unicode version |
Description: Mapping of a restriction
of the ![]() |
Ref | Expression |
---|---|
f1stres |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 2740 |
. . . . . . . 8
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2 | vex 2740 |
. . . . . . . 8
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3 | 1, 2 | op1sta 5110 |
. . . . . . 7
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4 | 3 | eleq1i 2243 |
. . . . . 6
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5 | 4 | biimpri 133 |
. . . . 5
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6 | 5 | adantr 276 |
. . . 4
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7 | 6 | rgen2 2563 |
. . 3
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8 | sneq 3603 |
. . . . . . 7
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9 | 8 | dmeqd 4829 |
. . . . . 6
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10 | 9 | unieqd 3820 |
. . . . 5
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11 | 10 | eleq1d 2246 |
. . . 4
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12 | 11 | ralxp 4770 |
. . 3
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13 | 7, 12 | mpbir 146 |
. 2
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14 | df-1st 6140 |
. . . . 5
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15 | 14 | reseq1i 4903 |
. . . 4
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16 | ssv 3177 |
. . . . 5
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17 | resmpt 4955 |
. . . . 5
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18 | 16, 17 | ax-mp 5 |
. . . 4
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19 | 15, 18 | eqtri 2198 |
. . 3
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20 | 19 | fmpt 5666 |
. 2
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21 | 13, 20 | mpbi 145 |
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 4121 ax-pow 4174 ax-pr 4209 |
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-rab 2464 df-v 2739 df-sbc 2963 df-csb 3058 df-un 3133 df-in 3135 df-ss 3142 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-uni 3810 df-iun 3888 df-br 4004 df-opab 4065 df-mpt 4066 df-id 4293 df-xp 4632 df-rel 4633 df-cnv 4634 df-co 4635 df-dm 4636 df-rn 4637 df-res 4638 df-ima 4639 df-iota 5178 df-fun 5218 df-fn 5219 df-f 5220 df-fv 5224 df-1st 6140 |
This theorem is referenced by: fo1stresm 6161 1stcof 6163 tx1cn 13739 |
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