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Mirrors > Home > ILE Home > Th. List > dmmulpi | Unicode version |
Description: Domain of multiplication on positive integers. (Contributed by NM, 26-Aug-1995.) |
Ref | Expression |
---|---|
dmmulpi |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmres 4884 | . . 3 | |
2 | fnom 6390 | . . . . 5 | |
3 | fndm 5266 | . . . . 5 | |
4 | 2, 3 | ax-mp 5 | . . . 4 |
5 | 4 | ineq2i 3305 | . . 3 |
6 | 1, 5 | eqtri 2178 | . 2 |
7 | df-mi 7209 | . . 3 | |
8 | 7 | dmeqi 4784 | . 2 |
9 | df-ni 7207 | . . . . . . 7 | |
10 | difss 3233 | . . . . . . 7 | |
11 | 9, 10 | eqsstri 3160 | . . . . . 6 |
12 | omsson 4570 | . . . . . 6 | |
13 | 11, 12 | sstri 3137 | . . . . 5 |
14 | anidm 394 | . . . . 5 | |
15 | 13, 14 | mpbir 145 | . . . 4 |
16 | xpss12 4690 | . . . 4 | |
17 | 15, 16 | ax-mp 5 | . . 3 |
18 | dfss 3116 | . . 3 | |
19 | 17, 18 | mpbi 144 | . 2 |
20 | 6, 8, 19 | 3eqtr4i 2188 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1335 cdif 3099 cin 3101 wss 3102 c0 3394 csn 3560 con0 4322 com 4547 cxp 4581 cdm 4583 cres 4585 wfn 5162 comu 6355 cnpi 7175 cmi 7177 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-coll 4079 ax-sep 4082 ax-nul 4090 ax-pow 4134 ax-pr 4168 ax-un 4392 ax-setind 4494 ax-iinf 4545 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-ral 2440 df-rex 2441 df-reu 2442 df-rab 2444 df-v 2714 df-sbc 2938 df-csb 3032 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-nul 3395 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-int 3808 df-iun 3851 df-br 3966 df-opab 4026 df-mpt 4027 df-tr 4063 df-id 4252 df-iord 4325 df-on 4327 df-suc 4330 df-iom 4548 df-xp 4589 df-rel 4590 df-cnv 4591 df-co 4592 df-dm 4593 df-rn 4594 df-res 4595 df-ima 4596 df-iota 5132 df-fun 5169 df-fn 5170 df-f 5171 df-f1 5172 df-fo 5173 df-f1o 5174 df-fv 5175 df-ov 5821 df-oprab 5822 df-mpo 5823 df-1st 6082 df-2nd 6083 df-recs 6246 df-irdg 6311 df-oadd 6361 df-omul 6362 df-ni 7207 df-mi 7209 |
This theorem is referenced by: (None) |
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