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| Description: Ordinal multiplication with 1. Proposition 8.18(2) of [TakeutiZaring] p. 63. |
| Ref | Expression |
|---|---|
| om1r |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq2 4890 |
. . 3
| |
| 2 | id 73 |
. . 3
| |
| 3 | 1, 2 | eqeq12d 1899 |
. 2
|
| 4 | opreq2 4890 |
. . 3
| |
| 5 | id 73 |
. . 3
| |
| 6 | 4, 5 | eqeq12d 1899 |
. 2
|
| 7 | opreq2 4890 |
. . 3
| |
| 8 | id 73 |
. . 3
| |
| 9 | 7, 8 | eqeq12d 1899 |
. 2
|
| 10 | opreq2 4890 |
. . 3
| |
| 11 | id 73 |
. . 3
| |
| 12 | 10, 11 | eqeq12d 1899 |
. 2
|
| 13 | 1on 5182 |
. . 3
| |
| 14 | om0 5201 |
. . 3
| |
| 15 | 13, 14 | ax-mp 7 |
. 2
|
| 16 | omsuc 5210 |
. . . . . 6
| |
| 17 | 13, 16 | mpan 759 |
. . . . 5
|
| 18 | opreq1 4889 |
. . . . 5
| |
| 19 | 17, 18 | sylan9eq 1948 |
. . . 4
|
| 20 | oa1suc 5209 |
. . . . 5
| |
| 21 | 20 | adantr 425 |
. . . 4
|
| 22 | 19, 21 | eqtrd 1925 |
. . 3
|
| 23 | 22 | ex 402 |
. 2
|
| 24 | visset 2295 |
. . . . 5
| |
| 25 | omlim 5213 |
. . . . . 6
| |
| 26 | 13, 25 | mpan 759 |
. . . . 5
|
| 27 | 24, 26 | mpan 759 |
. . . 4
|
| 28 | limuni 3724 |
. . . 4
| |
| 29 | 27, 28 | eqeq12d 1899 |
. . 3
|
| 30 | iuneq2 3273 |
. . . 4
| |
| 31 | uniiun 3306 |
. . . 4
| |
| 32 | 30, 31 | syl6eqr 1946 |
. . 3
|
| 33 | 29, 32 | syl5bir 227 |
. 2
|
| 34 | 3, 6, 9, 12, 15, 23, 33 | tfinds 3942 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: oe1 5225 omword2 5253 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-pss 2607 df-nul 2876 df-if 2983 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-iun 3257 df-br 3339 df-opab 3396 df-tr 3412 df-eprel 3583 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-lim 3662 df-suc 3663 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-fv 4014 df-opr 4886 df-oprab 4887 df-rdg 5140 df-1o 5177 df-oadd 5179 df-omul 5180 |