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| Mirrors > Home > ILE Home > Th. List > mulpiord | Unicode version | ||
| Description: Positive integer multiplication in terms of ordinal multiplication. (Contributed by NM, 27-Aug-1995.) |
| Ref | Expression |
|---|---|
| mulpiord |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | opelxpi 4806 |
. 2
| |
| 2 | fvres 5719 |
. . 3
| |
| 3 | df-ov 6088 |
. . . 4
| |
| 4 | df-mi 7674 |
. . . . 5
| |
| 5 | 4 | fveq1i 5696 |
. . . 4
|
| 6 | 3, 5 | eqtri 2259 |
. . 3
|
| 7 | df-ov 6088 |
. . 3
| |
| 8 | 2, 6, 7 | 3eqtr4g 2296 |
. 2
|
| 9 | 1, 8 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-xp 4780 df-res 4786 df-iota 5337 df-fv 5385 df-ov 6088 df-mi 7674 |
| This theorem is used by: mulidpi 7686 mulclpi 7696 mulcompig 7699 mulasspig 7700 distrpig 7701 mulcanpig 7703 ltmpig 7707 archnqq 7785 enq0enq 7799 addcmpblnq0 7811 mulcmpblnq0 7812 mulcanenq0ec 7813 addclnq0 7819 mulclnq0 7820 nqpnq0nq 7821 nqnq0a 7822 nqnq0m 7823 nq0m0r 7824 distrnq0 7827 addassnq0lemcl 7829 |
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