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Mirrors > Home > ILE Home > Th. List > recexnq | Unicode version |
Description: Existence of positive fraction reciprocal. (Contributed by Jim Kingdon, 20-Sep-2019.) |
Ref | Expression |
---|---|
recexnq |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nqqs 6538 |
. 2
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2 | oveq1 5539 |
. . . . 5
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3 | 2 | eqeq1d 2089 |
. . . 4
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4 | 3 | anbi2d 451 |
. . 3
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5 | 4 | exbidv 1746 |
. 2
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6 | opelxpi 4394 |
. . . . . 6
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7 | 6 | ancoms 264 |
. . . . 5
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8 | enqex 6550 |
. . . . . 6
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9 | 8 | ecelqsi 6183 |
. . . . 5
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10 | 7, 9 | syl 14 |
. . . 4
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11 | 10, 1 | syl6eleqr 2172 |
. . 3
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12 | mulcompig 6521 |
. . . . . . 7
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13 | 12 | opeq2d 3577 |
. . . . . 6
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14 | 13 | eceq1d 6165 |
. . . . 5
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15 | mulclpi 6518 |
. . . . . 6
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16 | 1qec 6578 |
. . . . . 6
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17 | 15, 16 | syl 14 |
. . . . 5
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18 | mulpipqqs 6563 |
. . . . . . 7
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19 | 18 | an42s 553 |
. . . . . 6
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20 | 19 | anidms 389 |
. . . . 5
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21 | 14, 17, 20 | 3eqtr4rd 2124 |
. . . 4
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22 | 11, 21 | jca 300 |
. . 3
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23 | eleq1 2141 |
. . . . 5
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24 | oveq2 5540 |
. . . . . 6
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25 | 24 | eqeq1d 2089 |
. . . . 5
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26 | 23, 25 | anbi12d 456 |
. . . 4
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27 | 26 | spcegv 2686 |
. . 3
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28 | 11, 22, 27 | sylc 61 |
. 2
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29 | 1, 5, 28 | ecoptocl 6216 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-coll 3893 ax-sep 3896 ax-nul 3904 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-iinf 4329 |
This theorem depends on definitions: df-bi 115 df-dc 776 df-3or 920 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-csb 2909 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-nul 3252 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-iun 3680 df-br 3786 df-opab 3840 df-mpt 3841 df-tr 3876 df-id 4048 df-iord 4121 df-on 4123 df-suc 4126 df-iom 4332 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-f1 4927 df-fo 4928 df-f1o 4929 df-fv 4930 df-ov 5535 df-oprab 5536 df-mpt2 5537 df-1st 5787 df-2nd 5788 df-recs 5943 df-irdg 5980 df-1o 6024 df-oadd 6028 df-omul 6029 df-er 6129 df-ec 6131 df-qs 6135 df-ni 6494 df-mi 6496 df-mpq 6535 df-enq 6537 df-nqqs 6538 df-mqqs 6540 df-1nqqs 6541 |
This theorem is referenced by: recmulnqg 6581 recclnq 6582 |
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