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| Mirrors > Home > ILE Home > Th. List > recidpirq | Unicode version | ||
| Description: A real number times its
reciprocal is one, where reciprocal is expressed
with |
| Ref | Expression |
|---|---|
| recidpirq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nnprlu 7833 |
. . . 4
| |
| 2 | prsrcl 8064 |
. . . 4
| |
| 3 | 1, 2 | syl 14 |
. . 3
|
| 4 | recnnpr 7828 |
. . . 4
| |
| 5 | prsrcl 8064 |
. . . 4
| |
| 6 | 4, 5 | syl 14 |
. . 3
|
| 7 | mulresr 8118 |
. . 3
| |
| 8 | 3, 6, 7 | syl2anc 411 |
. 2
|
| 9 | 1pr 7834 |
. . . . . . . 8
| |
| 10 | 9 | a1i 9 |
. . . . . . 7
|
| 11 | addclpr 7817 |
. . . . . . 7
| |
| 12 | 1, 10, 11 | syl2anc 411 |
. . . . . 6
|
| 13 | addclpr 7817 |
. . . . . . 7
| |
| 14 | 4, 10, 13 | syl2anc 411 |
. . . . . 6
|
| 15 | mulsrpr 8026 |
. . . . . 6
| |
| 16 | 12, 10, 14, 10, 15 | syl22anc 1275 |
. . . . 5
|
| 17 | recidpipr 8136 |
. . . . . . 7
| |
| 18 | 1, 4, 17 | recidpirqlemcalc 8137 |
. . . . . 6
|
| 19 | df-1r 8012 |
. . . . . . . 8
| |
| 20 | 19 | eqeq2i 2242 |
. . . . . . 7
|
| 21 | mulclpr 7852 |
. . . . . . . . . 10
| |
| 22 | 12, 14, 21 | syl2anc 411 |
. . . . . . . . 9
|
| 23 | 9, 9 | pm3.2i 272 |
. . . . . . . . . 10
|
| 24 | mulclpr 7852 |
. . . . . . . . . 10
| |
| 25 | 23, 24 | mp1i 10 |
. . . . . . . . 9
|
| 26 | addclpr 7817 |
. . . . . . . . 9
| |
| 27 | 22, 25, 26 | syl2anc 411 |
. . . . . . . 8
|
| 28 | mulclpr 7852 |
. . . . . . . . . 10
| |
| 29 | 12, 10, 28 | syl2anc 411 |
. . . . . . . . 9
|
| 30 | mulclpr 7852 |
. . . . . . . . . 10
| |
| 31 | 10, 14, 30 | syl2anc 411 |
. . . . . . . . 9
|
| 32 | addclpr 7817 |
. . . . . . . . 9
| |
| 33 | 29, 31, 32 | syl2anc 411 |
. . . . . . . 8
|
| 34 | addclpr 7817 |
. . . . . . . . 9
| |
| 35 | 23, 34 | mp1i 10 |
. . . . . . . 8
|
| 36 | enreceq 8016 |
. . . . . . . 8
| |
| 37 | 27, 33, 35, 10, 36 | syl22anc 1275 |
. . . . . . 7
|
| 38 | 20, 37 | bitrid 192 |
. . . . . 6
|
| 39 | 18, 38 | mpbird 167 |
. . . . 5
|
| 40 | 16, 39 | eqtrd 2264 |
. . . 4
|
| 41 | 40 | opeq1d 3873 |
. . 3
|
| 42 | df-1 8100 |
. . 3
| |
| 43 | 41, 42 | eqtr4di 2282 |
. 2
|
| 44 | 8, 43 | eqtrd 2264 |
1
|
| 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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4209 ax-sep 4212 ax-nul 4220 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-iinf 4692 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-ral 2516 df-rex 2517 df-reu 2518 df-rab 2520 df-v 2805 df-sbc 3033 df-csb 3129 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-nul 3497 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-int 3934 df-iun 3977 df-br 4094 df-opab 4156 df-mpt 4157 df-tr 4193 df-eprel 4392 df-id 4396 df-po 4399 df-iso 4400 df-iord 4469 df-on 4471 df-suc 4474 df-iom 4695 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fn 5336 df-f 5337 df-f1 5338 df-fo 5339 df-f1o 5340 df-fv 5341 df-ov 6031 df-oprab 6032 df-mpo 6033 df-1st 6312 df-2nd 6313 df-recs 6514 df-irdg 6579 df-1o 6625 df-2o 6626 df-oadd 6629 df-omul 6630 df-er 6745 df-ec 6747 df-qs 6751 df-ni 7584 df-pli 7585 df-mi 7586 df-lti 7587 df-plpq 7624 df-mpq 7625 df-enq 7627 df-nqqs 7628 df-plqqs 7629 df-mqqs 7630 df-1nqqs 7631 df-rq 7632 df-ltnqqs 7633 df-enq0 7704 df-nq0 7705 df-0nq0 7706 df-plq0 7707 df-mq0 7708 df-inp 7746 df-i1p 7747 df-iplp 7748 df-imp 7749 df-enr 8006 df-nr 8007 df-plr 8008 df-mr 8009 df-0r 8011 df-1r 8012 df-m1r 8013 df-c 8098 df-1 8100 df-mul 8104 |
| This theorem is referenced by: recriota 8170 |
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