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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 8132.
In treatments which assume excluded middle, the |
| Ref | Expression |
|---|---|
| axprecex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elreal 8038 |
. . . 4
| |
| 2 | df-rex 2514 |
. . . 4
| |
| 3 | 1, 2 | bitri 184 |
. . 3
|
| 4 | breq2 4090 |
. . . 4
| |
| 5 | oveq1 6020 |
. . . . . . 7
| |
| 6 | 5 | eqeq1d 2238 |
. . . . . 6
|
| 7 | 6 | anbi2d 464 |
. . . . 5
|
| 8 | 7 | rexbidv 2531 |
. . . 4
|
| 9 | 4, 8 | imbi12d 234 |
. . 3
|
| 10 | df-0 8029 |
. . . . . 6
| |
| 11 | 10 | breq1i 4093 |
. . . . 5
|
| 12 | ltresr 8049 |
. . . . 5
| |
| 13 | 11, 12 | bitri 184 |
. . . 4
|
| 14 | recexgt0sr 7983 |
. . . . 5
| |
| 15 | opelreal 8037 |
. . . . . . . . . 10
| |
| 16 | 15 | anbi1i 458 |
. . . . . . . . 9
|
| 17 | 10 | breq1i 4093 |
. . . . . . . . . . . . 13
|
| 18 | ltresr 8049 |
. . . . . . . . . . . . 13
| |
| 19 | 17, 18 | bitri 184 |
. . . . . . . . . . . 12
|
| 20 | 19 | a1i 9 |
. . . . . . . . . . 11
|
| 21 | mulresr 8048 |
. . . . . . . . . . . . 13
| |
| 22 | 21 | eqeq1d 2238 |
. . . . . . . . . . . 12
|
| 23 | df-1 8030 |
. . . . . . . . . . . . . 14
| |
| 24 | 23 | eqeq2i 2240 |
. . . . . . . . . . . . 13
|
| 25 | eqid 2229 |
. . . . . . . . . . . . . 14
| |
| 26 | 1sr 7961 |
. . . . . . . . . . . . . . 15
| |
| 27 | 0r 7960 |
. . . . . . . . . . . . . . 15
| |
| 28 | opthg2 4329 |
. . . . . . . . . . . . . . 15
| |
| 29 | 26, 27, 28 | mp2an 426 |
. . . . . . . . . . . . . 14
|
| 30 | 25, 29 | mpbiran2 947 |
. . . . . . . . . . . . 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 4090 |
. . . . . . . . . 10
| |
| 37 | oveq2 6021 |
. . . . . . . . . . 11
| |
| 38 | 37 | eqeq1d 2238 |
. . . . . . . . . 10
|
| 39 | 36, 38 | anbi12d 473 |
. . . . . . . . 9
|
| 40 | 39 | rspcev 2908 |
. . . . . . . 8
|
| 41 | 35, 40 | biimtrrdi 164 |
. . . . . . 7
|
| 42 | 41 | expd 258 |
. . . . . 6
|
| 43 | 42 | rexlimdv 2647 |
. . . . 5
|
| 44 | 14, 43 | syl5 32 |
. . . 4
|
| 45 | 13, 44 | biimtrid 152 |
. . 3
|
| 46 | 3, 9, 45 | gencl 2833 |
. 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4202 ax-sep 4205 ax-nul 4213 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-iinf 4684 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-nul 3493 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-int 3927 df-iun 3970 df-br 4087 df-opab 4149 df-mpt 4150 df-tr 4186 df-eprel 4384 df-id 4388 df-po 4391 df-iso 4392 df-iord 4461 df-on 4463 df-suc 4466 df-iom 4687 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-f1 5329 df-fo 5330 df-f1o 5331 df-fv 5332 df-ov 6016 df-oprab 6017 df-mpo 6018 df-1st 6298 df-2nd 6299 df-recs 6466 df-irdg 6531 df-1o 6577 df-2o 6578 df-oadd 6581 df-omul 6582 df-er 6697 df-ec 6699 df-qs 6703 df-ni 7514 df-pli 7515 df-mi 7516 df-lti 7517 df-plpq 7554 df-mpq 7555 df-enq 7557 df-nqqs 7558 df-plqqs 7559 df-mqqs 7560 df-1nqqs 7561 df-rq 7562 df-ltnqqs 7563 df-enq0 7634 df-nq0 7635 df-0nq0 7636 df-plq0 7637 df-mq0 7638 df-inp 7676 df-i1p 7677 df-iplp 7678 df-imp 7679 df-iltp 7680 df-enr 7936 df-nr 7937 df-plr 7938 df-mr 7939 df-ltr 7940 df-0r 7941 df-1r 7942 df-m1r 7943 df-c 8028 df-0 8029 df-1 8030 df-r 8032 df-mul 8034 df-lt 8035 |
| This theorem is referenced by: rereceu 8099 recriota 8100 |
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