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| Description: 1 is an identity element for multiplication. Axiom 16 of 25 for real and complex numbers, derived from ZF set theory. |
| Ref | Expression |
|---|---|
| ax1id |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-c 5163 |
. 2
| |
| 2 | opreq1 3907 |
. . 3
| |
| 3 | id 59 |
. . 3
| |
| 4 | 2, 3 | eqeq12d 1465 |
. 2
|
| 5 | 1r 5113 |
. . . . . 6
| |
| 6 | 0r 5112 |
. . . . . 6
| |
| 7 | 5, 6 | pm3.2i 285 |
. . . . 5
|
| 8 | mulcnsr 5177 |
. . . . 5
| |
| 9 | 7, 8 | mpan2 693 |
. . . 4
|
| 10 | 00sr 5131 |
. . . . . . . . 9
| |
| 11 | 10 | opreq2d 3915 |
. . . . . . . 8
|
| 12 | m1r 5114 |
. . . . . . . . 9
| |
| 13 | 00sr 5131 |
. . . . . . . . 9
| |
| 14 | 12, 13 | ax-mp 7 |
. . . . . . . 8
|
| 15 | 11, 14 | syl6eq 1499 |
. . . . . . 7
|
| 16 | 15 | opreq2d 3915 |
. . . . . 6
|
| 17 | 1idsr 5130 |
. . . . . . . 8
| |
| 18 | 17 | opreq1d 3914 |
. . . . . . 7
|
| 19 | 0idsr 5129 |
. . . . . . 7
| |
| 20 | 18, 19 | eqtrd 1483 |
. . . . . 6
|
| 21 | 16, 20 | sylan9eqr 1505 |
. . . . 5
|
| 22 | 00sr 5131 |
. . . . . . 7
| |
| 23 | 22 | opreq2d 3915 |
. . . . . 6
|
| 24 | 1idsr 5130 |
. . . . . . . 8
| |
| 25 | 24 | opreq1d 3914 |
. . . . . . 7
|
| 26 | 0idsr 5129 |
. . . . . . 7
| |
| 27 | 25, 26 | eqtrd 1483 |
. . . . . 6
|
| 28 | 23, 27 | sylan9eq 1503 |
. . . . 5
|
| 29 | 21, 28 | opeq12d 2464 |
. . . 4
|
| 30 | 9, 29 | eqtrd 1483 |
. . 3
|
| 31 | df-1 5165 |
. . . 4
| |
| 32 | 31 | opreq2i 3911 |
. . 3
|
| 33 | 30, 32 | syl5eq 1495 |
. 2
|
| 34 | 1, 4, 33 | optocl 3197 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: mulid1t 5234 mulid1 5255 mulid2t 5340 muladd11t 5345 muleqaddt 5620 divadddivt 5691 divdivmult 5702 conjmult 5704 mulgt1t 5752 ltmulgt11t 5753 lemulge11t 5755 nnmulclt 5840 expaddt 6478 expmult 6479 sq01t 6533 bernneq 6534 crrecz 6623 imret 6661 facwordit 6832 faclbnd 6833 faclbnd2 6834 faclbnd4lem3 6838 faclbnd6 6842 facavgt 6843 bcn0t 6852 bcnp11t 6854 binomlem1 6955 binomlem4 6958 fnsmnt 7112 geoser 7120 efexpt 7265 efnn0valt 7266 cos01gt0 7370 abseft 7376 cnring 8047 nmoub3i 8303 ipasslem2 8357 ubthlem10 8404 htthlem6 8489 sinper 8522 cosper 8523 nmopub2tALT 9964 nmfnleub2t 9980 nmcopexlem5 10084 nmcfnexlem5 10113 nmopcoadj 10162 branmfnt 10165 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 951 ax-5 952 ax-6 953 ax-7 954 ax-gen 955 ax-8 1101 ax-9 1102 ax-10 1103 ax-12 1104 ax-13 1107 ax-14 1108 ax-11 1180 ax-17 1190 ax-16 1194 ax-11o 1202 ax-ext 1436 ax-rep 2661 ax-sep 2671 ax-nul 2678 ax-pow 2710 ax-pr 2747 ax-un 2830 ax-inf2 4549 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 773 df-3an 774 df-ex 957 df-sb 1155 df-eu 1359 df-mo 1360 df-clab 1441 df-cleq 1446 df-clel 1449 df-ne 1563 df-ral 1625 df-rex 1626 df-reu 1627 df-rab 1628 df-v 1787 df-sbc 1913 df-csb 1973 df-dif 2020 df-un 2021 df-in 2022 df-ss 2024 df-pss 2026 df-nul 2252 df-if 2333 df-pw 2373 df-sn 2383 df-pr 2384 df-tp 2386 df-op 2387 df-uni 2472 df-int 2502 df-iun 2536 df-br 2588 df-opab 2635 df-tr 2649 df-eprel 2794 df-id 2797 df-po 2804 df-so 2814 df-fr 2880 df-we 2897 df-ord 2914 df-on 2915 df-lim 2916 df-suc 2917 df-om 3095 df-xp 3147 df-rel 3148 df-cnv 3149 df-co 3150 df-dm 3151 df-rn 3152 df-res 3153 df-ima 3154 df-fun 3155 df-fn 3156 df-f 3157 df-fv 3161 df-rdg 3871 df-opr 3904 df-oprab 3905 df-1st 4017 df-2nd 4018 df-1o 4071 df-oadd 4073 df-omul 4074 df-er 4199 df-ec 4201 df-qs 4204 df-ni 4923 df-pli 4924 df-mi 4925 df-lti 4926 df-plpq 4958 df-mpq 4959 df-enq 4960 df-nq 4961 df-plq 4962 df-mq 4963 df-rq 4964 df-ltq 4965 df-1q 4966 df-np 5009 df-1p 5010 df-plp 5011 df-mp 5012 df-ltp 5013 df-plpr 5087 df-mpr 5088 df-enr 5089 df-nr 5090 df-plr 5091 df-mr 5092 df-0r 5094 df-1r 5095 df-m1r 5096 df-c 5163 df-1 5165 df-mul 5169 |