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| Mirrors > Home > ILE Home > Th. List > axprecex | Unicode version | ||
| Description: Existence of positive
reciprocal of positive real number. Axiom for
real and complex numbers, derived from set theory. This
construction-dependent theorem should not be referenced directly;
instead, use ax-precex 8185.
In treatments which assume excluded middle, the |
| Ref | Expression |
|---|---|
| axprecex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elreal 8091 |
. . . 4
| |
| 2 | df-rex 2517 |
. . . 4
| |
| 3 | 1, 2 | bitri 184 |
. . 3
|
| 4 | breq2 4097 |
. . . 4
| |
| 5 | oveq1 6035 |
. . . . . . 7
| |
| 6 | 5 | eqeq1d 2240 |
. . . . . 6
|
| 7 | 6 | anbi2d 464 |
. . . . 5
|
| 8 | 7 | rexbidv 2534 |
. . . 4
|
| 9 | 4, 8 | imbi12d 234 |
. . 3
|
| 10 | df-0 8082 |
. . . . . 6
| |
| 11 | 10 | breq1i 4100 |
. . . . 5
|
| 12 | ltresr 8102 |
. . . . 5
| |
| 13 | 11, 12 | bitri 184 |
. . . 4
|
| 14 | recexgt0sr 8036 |
. . . . 5
| |
| 15 | opelreal 8090 |
. . . . . . . . . 10
| |
| 16 | 15 | anbi1i 458 |
. . . . . . . . 9
|
| 17 | 10 | breq1i 4100 |
. . . . . . . . . . . . 13
|
| 18 | ltresr 8102 |
. . . . . . . . . . . . 13
| |
| 19 | 17, 18 | bitri 184 |
. . . . . . . . . . . 12
|
| 20 | 19 | a1i 9 |
. . . . . . . . . . 11
|
| 21 | mulresr 8101 |
. . . . . . . . . . . . 13
| |
| 22 | 21 | eqeq1d 2240 |
. . . . . . . . . . . 12
|
| 23 | df-1 8083 |
. . . . . . . . . . . . . 14
| |
| 24 | 23 | eqeq2i 2242 |
. . . . . . . . . . . . 13
|
| 25 | eqid 2231 |
. . . . . . . . . . . . . 14
| |
| 26 | 1sr 8014 |
. . . . . . . . . . . . . . 15
| |
| 27 | 0r 8013 |
. . . . . . . . . . . . . . 15
| |
| 28 | opthg2 4337 |
. . . . . . . . . . . . . . 15
| |
| 29 | 26, 27, 28 | mp2an 426 |
. . . . . . . . . . . . . 14
|
| 30 | 25, 29 | mpbiran2 950 |
. . . . . . . . . . . . 13
|
| 31 | 24, 30 | bitri 184 |
. . . . . . . . . . . 12
|
| 32 | 22, 31 | bitrdi 196 |
. . . . . . . . . . 11
|
| 33 | 20, 32 | anbi12d 473 |
. . . . . . . . . 10
|
| 34 | 33 | pm5.32da 452 |
. . . . . . . . 9
|
| 35 | 16, 34 | bitrid 192 |
. . . . . . . 8
|
| 36 | breq2 4097 |
. . . . . . . . . 10
| |
| 37 | oveq2 6036 |
. . . . . . . . . . 11
| |
| 38 | 37 | eqeq1d 2240 |
. . . . . . . . . 10
|
| 39 | 36, 38 | anbi12d 473 |
. . . . . . . . 9
|
| 40 | 39 | rspcev 2911 |
. . . . . . . 8
|
| 41 | 35, 40 | biimtrrdi 164 |
. . . . . . 7
|
| 42 | 41 | expd 258 |
. . . . . 6
|
| 43 | 42 | rexlimdv 2650 |
. . . . 5
|
| 44 | 14, 43 | syl5 32 |
. . . 4
|
| 45 | 13, 44 | biimtrid 152 |
. . 3
|
| 46 | 3, 9, 45 | gencl 2836 |
. 2
|
| 47 | 46 | imp 124 |
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 7567 df-pli 7568 df-mi 7569 df-lti 7570 df-plpq 7607 df-mpq 7608 df-enq 7610 df-nqqs 7611 df-plqqs 7612 df-mqqs 7613 df-1nqqs 7614 df-rq 7615 df-ltnqqs 7616 df-enq0 7687 df-nq0 7688 df-0nq0 7689 df-plq0 7690 df-mq0 7691 df-inp 7729 df-i1p 7730 df-iplp 7731 df-imp 7732 df-iltp 7733 df-enr 7989 df-nr 7990 df-plr 7991 df-mr 7992 df-ltr 7993 df-0r 7994 df-1r 7995 df-m1r 7996 df-c 8081 df-0 8082 df-1 8083 df-r 8085 df-mul 8087 df-lt 8088 |
| This theorem is referenced by: rereceu 8152 recriota 8153 |
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