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Mirrors > Home > ILE Home > Th. List > fsnunfv | Unicode version |
Description: Recover the added point from a point-added function. (Contributed by Stefan O'Rear, 28-Feb-2015.) (Revised by NM, 18-May-2017.) |
Ref | Expression |
---|---|
fsnunfv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmres 4964 |
. . . . . . . . 9
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2 | incom 3352 |
. . . . . . . . 9
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3 | 1, 2 | eqtri 2214 |
. . . . . . . 8
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4 | disjsn 3681 |
. . . . . . . . 9
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5 | 4 | biimpri 133 |
. . . . . . . 8
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6 | 3, 5 | eqtrid 2238 |
. . . . . . 7
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7 | 6 | 3ad2ant3 1022 |
. . . . . 6
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8 | relres 4971 |
. . . . . . 7
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9 | reldm0 4881 |
. . . . . . 7
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10 | 8, 9 | ax-mp 5 |
. . . . . 6
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11 | 7, 10 | sylibr 134 |
. . . . 5
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12 | fnsng 5302 |
. . . . . . 7
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13 | 12 | 3adant3 1019 |
. . . . . 6
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14 | fnresdm 5364 |
. . . . . 6
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15 | 13, 14 | syl 14 |
. . . . 5
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16 | 11, 15 | uneq12d 3315 |
. . . 4
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17 | resundir 4957 |
. . . 4
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18 | uncom 3304 |
. . . . 5
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19 | un0 3481 |
. . . . 5
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20 | 18, 19 | eqtr2i 2215 |
. . . 4
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21 | 16, 17, 20 | 3eqtr4g 2251 |
. . 3
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22 | 21 | fveq1d 5557 |
. 2
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23 | snidg 3648 |
. . . 4
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24 | 23 | 3ad2ant1 1020 |
. . 3
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25 | fvres 5579 |
. . 3
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26 | 24, 25 | syl 14 |
. 2
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27 | fvsng 5755 |
. . 3
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28 | 27 | 3adant3 1019 |
. 2
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29 | 22, 26, 28 | 3eqtr3d 2234 |
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-in1 615 ax-in2 616 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 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 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 2987 df-dif 3156 df-un 3158 df-in 3160 df-ss 3167 df-nul 3448 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-br 4031 df-opab 4092 df-id 4325 df-xp 4666 df-rel 4667 df-cnv 4668 df-co 4669 df-dm 4670 df-res 4672 df-iota 5216 df-fun 5257 df-fn 5258 df-fv 5263 |
This theorem is referenced by: tfrlemisucaccv 6380 tfr1onlemsucaccv 6396 tfrcllemsucaccv 6409 inftonninf 10516 hashinfom 10852 zfz1isolemiso 10913 fvsetsid 12655 |
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