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| Mirrors > Home > MPE Home > Th. List > 1idpr | Structured version Visualization version Unicode version | ||
| Description: 1 is an identity element for positive real multiplication. Theorem 9-3.7(iv) of [Gleason] p. 124. (Contributed by NM, 2-Apr-1996.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| 1idpr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-rex 2918 |
. . . . 5
| |
| 2 | 19.42v 1918 |
. . . . . 6
| |
| 3 | elprnq 9813 |
. . . . . . . . . 10
| |
| 4 | breq1 4656 |
. . . . . . . . . . 11
| |
| 5 | df-1p 9804 |
. . . . . . . . . . . . 13
| |
| 6 | 5 | abeq2i 2735 |
. . . . . . . . . . . 12
|
| 7 | ltmnq 9794 |
. . . . . . . . . . . . 13
| |
| 8 | mulidnq 9785 |
. . . . . . . . . . . . . 14
| |
| 9 | 8 | breq2d 4665 |
. . . . . . . . . . . . 13
|
| 10 | 7, 9 | bitrd 268 |
. . . . . . . . . . . 12
|
| 11 | 6, 10 | syl5rbb 273 |
. . . . . . . . . . 11
|
| 12 | 4, 11 | sylan9bbr 737 |
. . . . . . . . . 10
|
| 13 | 3, 12 | sylan 488 |
. . . . . . . . 9
|
| 14 | 13 | ex 450 |
. . . . . . . 8
|
| 15 | 14 | pm5.32rd 672 |
. . . . . . 7
|
| 16 | 15 | exbidv 1850 |
. . . . . 6
|
| 17 | 2, 16 | syl5rbbr 275 |
. . . . 5
|
| 18 | 1, 17 | syl5bb 272 |
. . . 4
|
| 19 | 18 | rexbidva 3049 |
. . 3
|
| 20 | 1pr 9837 |
. . . 4
| |
| 21 | df-mp 9806 |
. . . . 5
| |
| 22 | mulclnq 9769 |
. . . . 5
| |
| 23 | 21, 22 | genpelv 9822 |
. . . 4
|
| 24 | 20, 23 | mpan2 707 |
. . 3
|
| 25 | prnmax 9817 |
. . . . . 6
| |
| 26 | ltrelnq 9748 |
. . . . . . . . . . 11
| |
| 27 | 26 | brel 5168 |
. . . . . . . . . 10
|
| 28 | vex 3203 |
. . . . . . . . . . . . . 14
| |
| 29 | vex 3203 |
. . . . . . . . . . . . . 14
| |
| 30 | fvex 6201 |
. . . . . . . . . . . . . 14
| |
| 31 | mulcomnq 9775 |
. . . . . . . . . . . . . 14
| |
| 32 | mulassnq 9781 |
. . . . . . . . . . . . . 14
| |
| 33 | 28, 29, 30, 31, 32 | caov12 6862 |
. . . . . . . . . . . . 13
|
| 34 | recidnq 9787 |
. . . . . . . . . . . . . 14
| |
| 35 | 34 | oveq2d 6666 |
. . . . . . . . . . . . 13
|
| 36 | 33, 35 | syl5eq 2668 |
. . . . . . . . . . . 12
|
| 37 | mulidnq 9785 |
. . . . . . . . . . . 12
| |
| 38 | 36, 37 | sylan9eqr 2678 |
. . . . . . . . . . 11
|
| 39 | 38 | eqcomd 2628 |
. . . . . . . . . 10
|
| 40 | ovex 6678 |
. . . . . . . . . . 11
| |
| 41 | oveq2 6658 |
. . . . . . . . . . . 12
| |
| 42 | 41 | eqeq2d 2632 |
. . . . . . . . . . 11
|
| 43 | 40, 42 | spcev 3300 |
. . . . . . . . . 10
|
| 44 | 27, 39, 43 | 3syl 18 |
. . . . . . . . 9
|
| 45 | 44 | a1i 11 |
. . . . . . . 8
|
| 46 | 45 | ancld 576 |
. . . . . . 7
|
| 47 | 46 | reximia 3009 |
. . . . . 6
|
| 48 | 25, 47 | syl 17 |
. . . . 5
|
| 49 | 48 | ex 450 |
. . . 4
|
| 50 | prcdnq 9815 |
. . . . . 6
| |
| 51 | 50 | adantrd 484 |
. . . . 5
|
| 52 | 51 | rexlimdva 3031 |
. . . 4
|
| 53 | 49, 52 | impbid 202 |
. . 3
|
| 54 | 19, 24, 53 | 3bitr4d 300 |
. 2
|
| 55 | 54 | eqrdv 2620 |
1
|
| Colors of variables: wff setvar class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-inf2 8538 |
| This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-int 4476 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-omul 7565 df-er 7742 df-ni 9694 df-pli 9695 df-mi 9696 df-lti 9697 df-plpq 9730 df-mpq 9731 df-ltpq 9732 df-enq 9733 df-nq 9734 df-erq 9735 df-plq 9736 df-mq 9737 df-1nq 9738 df-rq 9739 df-ltnq 9740 df-np 9803 df-1p 9804 df-mp 9806 |
| This theorem is referenced by: m1m1sr 9914 1idsr 9919 |
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