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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 7382 |
. 2
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2 | oveq1 5907 |
. . . . 5
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3 | 2 | eqeq1d 2198 |
. . . 4
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4 | 3 | anbi2d 464 |
. . 3
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5 | 4 | exbidv 1836 |
. 2
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6 | opelxpi 4679 |
. . . . . 6
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7 | 6 | ancoms 268 |
. . . . 5
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8 | enqex 7394 |
. . . . . 6
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9 | 8 | ecelqsi 6619 |
. . . . 5
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10 | 7, 9 | syl 14 |
. . . 4
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11 | 10, 1 | eleqtrrdi 2283 |
. . 3
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12 | mulcompig 7365 |
. . . . . . 7
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13 | 12 | opeq2d 3803 |
. . . . . 6
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14 | 13 | eceq1d 6599 |
. . . . 5
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15 | mulclpi 7362 |
. . . . . 6
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16 | 1qec 7422 |
. . . . . 6
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17 | 15, 16 | syl 14 |
. . . . 5
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18 | mulpipqqs 7407 |
. . . . . . 7
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19 | 18 | an42s 589 |
. . . . . 6
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20 | 19 | anidms 397 |
. . . . 5
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21 | 14, 17, 20 | 3eqtr4rd 2233 |
. . . 4
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22 | 11, 21 | jca 306 |
. . 3
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23 | eleq1 2252 |
. . . . 5
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24 | oveq2 5908 |
. . . . . 6
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25 | 24 | eqeq1d 2198 |
. . . . 5
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26 | 23, 25 | anbi12d 473 |
. . . 4
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27 | 26 | spcegv 2840 |
. . 3
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28 | 11, 22, 27 | sylc 62 |
. 2
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29 | 1, 5, 28 | ecoptocl 6652 |
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-13 2162 ax-14 2163 ax-ext 2171 ax-coll 4136 ax-sep 4139 ax-nul 4147 ax-pow 4195 ax-pr 4230 ax-un 4454 ax-setind 4557 ax-iinf 4608 |
This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 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-ne 2361 df-ral 2473 df-rex 2474 df-reu 2475 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-pw 3595 df-sn 3616 df-pr 3617 df-op 3619 df-uni 3828 df-int 3863 df-iun 3906 df-br 4022 df-opab 4083 df-mpt 4084 df-tr 4120 df-id 4314 df-iord 4387 df-on 4389 df-suc 4392 df-iom 4611 df-xp 4653 df-rel 4654 df-cnv 4655 df-co 4656 df-dm 4657 df-rn 4658 df-res 4659 df-ima 4660 df-iota 5199 df-fun 5240 df-fn 5241 df-f 5242 df-f1 5243 df-fo 5244 df-f1o 5245 df-fv 5246 df-ov 5903 df-oprab 5904 df-mpo 5905 df-1st 6169 df-2nd 6170 df-recs 6334 df-irdg 6399 df-1o 6445 df-oadd 6449 df-omul 6450 df-er 6563 df-ec 6565 df-qs 6569 df-ni 7338 df-mi 7340 df-mpq 7379 df-enq 7381 df-nqqs 7382 df-mqqs 7384 df-1nqqs 7385 |
This theorem is referenced by: recmulnqg 7425 recclnq 7426 |
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