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| Description: Closure law for ordinal multiplication. Proposition 8.16 of [TakeutiZaring] p. 57. |
| Ref | Expression |
|---|---|
| omcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opreq2 3976 |
. . . 4
| |
| 2 | 1 | eleq1d 1543 |
. . 3
|
| 3 | opreq2 3976 |
. . . 4
| |
| 4 | 3 | eleq1d 1543 |
. . 3
|
| 5 | opreq2 3976 |
. . . 4
| |
| 6 | 5 | eleq1d 1543 |
. . 3
|
| 7 | opreq2 3976 |
. . . 4
| |
| 8 | 7 | eleq1d 1543 |
. . 3
|
| 9 | om0 4163 |
. . . 4
| |
| 10 | 0elon 3029 |
. . . 4
| |
| 11 | 9, 10 | syl6eqel 1559 |
. . 3
|
| 12 | omsuc 4172 |
. . . . . . . . 9
| |
| 13 | 12 | eleq1d 1543 |
. . . . . . . 8
|
| 14 | oacl 4177 |
. . . . . . . 8
| |
| 15 | 13, 14 | syl5bir 210 |
. . . . . . 7
|
| 16 | 15 | exp4b 381 |
. . . . . 6
|
| 17 | 16 | com24 37 |
. . . . 5
|
| 18 | 17 | pm2.43i 64 |
. . . 4
|
| 19 | 18 | com3r 35 |
. . 3
|
| 20 | visset 1816 |
. . . . . . . 8
| |
| 21 | omlim 4175 |
. . . . . . . 8
| |
| 22 | 20, 21 | mpanr1 711 |
. . . . . . 7
|
| 23 | 22 | ancoms 438 |
. . . . . 6
|
| 24 | 23 | eleq1d 1543 |
. . . . 5
|
| 25 | oprex 3990 |
. . . . . 6
| |
| 26 | 20, 25 | iunon 3916 |
. . . . 5
|
| 27 | 24, 26 | syl5bir 210 |
. . . 4
|
| 28 | 27 | ex 373 |
. . 3
|
| 29 | 2, 4, 6, 8, 11, 19, 28 | tfinds3 3173 |
. 2
|
| 30 | 29 | impcom 351 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: oecl 4179 omordi 4204 omord2 4205 omcan 4207 omword 4208 omwordri 4210 om00 4213 om00el 4214 omlimcl 4216 odi 4217 omass 4218 oneo 4219 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 964 ax-gen 965 ax-8 966 ax-9 967 ax-10 968 ax-11 969 ax-12 970 ax-13 971 ax-14 972 ax-17 973 ax-4 975 ax-5o 977 ax-6o 980 ax-9o 1125 ax-10o 1142 ax-16 1212 ax-11o 1220 ax-ext 1462 ax-rep 2699 ax-sep 2709 ax-nul 2716 ax-pow 2749 ax-pr 2786 ax-un 2873 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 778 df-3an 779 df-ex 983 df-sb 1174 df-eu 1384 df-mo 1385 df-clab 1467 df-cleq 1472 df-clel 1475 df-ne 1590 df-ral 1652 df-rex 1653 df-rab 1655 df-v 1815 df-sbc 1945 df-csb 2006 df-dif 2053 df-un 2054 df-in 2055 df-ss 2057 df-nul 2285 df-if 2367 df-pw 2407 df-sn 2417 df-pr 2418 df-tp 2420 df-op 2421 df-uni 2509 df-iun 2573 df-br 2626 df-opab 2673 df-tr 2687 df-eprel 2839 df-id 2842 df-po 2847 df-so 2857 df-fr 2924 df-we 2941 df-ord 2958 df-on 2959 df-lim 2960 df-suc 2961 df-xp 3191 df-rel 3192 df-cnv 3193 df-co 3194 df-dm 3195 df-rn 3196 df-res 3197 df-ima 3198 df-fun 3199 df-fn 3200 df-fv 3205 df-rdg 3939 df-opr 3972 df-oprab 3973 df-oadd 4142 df-omul 4143 |