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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 4921 | . . 3 | |
2 | fnom 6441 | . . . . 5 | |
3 | fndm 5307 | . . . . 5 | |
4 | 2, 3 | ax-mp 5 | . . . 4 |
5 | 4 | ineq2i 3331 | . . 3 |
6 | 1, 5 | eqtri 2196 | . 2 |
7 | df-mi 7280 | . . 3 | |
8 | 7 | dmeqi 4821 | . 2 |
9 | df-ni 7278 | . . . . . . 7 | |
10 | difss 3259 | . . . . . . 7 | |
11 | 9, 10 | eqsstri 3185 | . . . . . 6 |
12 | omsson 4606 | . . . . . 6 | |
13 | 11, 12 | sstri 3162 | . . . . 5 |
14 | anidm 396 | . . . . 5 | |
15 | 13, 14 | mpbir 146 | . . . 4 |
16 | xpss12 4727 | . . . 4 | |
17 | 15, 16 | ax-mp 5 | . . 3 |
18 | dfss 3141 | . . 3 | |
19 | 17, 18 | mpbi 145 | . 2 |
20 | 6, 8, 19 | 3eqtr4i 2206 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 104 wceq 1353 cdif 3124 cin 3126 wss 3127 c0 3420 csn 3589 con0 4357 com 4583 cxp 4618 cdm 4620 cres 4622 wfn 5203 comu 6405 cnpi 7246 cmi 7248 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 614 ax-in2 615 ax-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-13 2148 ax-14 2149 ax-ext 2157 ax-coll 4113 ax-sep 4116 ax-nul 4124 ax-pow 4169 ax-pr 4203 ax-un 4427 ax-setind 4530 ax-iinf 4581 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-fal 1359 df-nf 1459 df-sb 1761 df-eu 2027 df-mo 2028 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ne 2346 df-ral 2458 df-rex 2459 df-reu 2460 df-rab 2462 df-v 2737 df-sbc 2961 df-csb 3056 df-dif 3129 df-un 3131 df-in 3133 df-ss 3140 df-nul 3421 df-pw 3574 df-sn 3595 df-pr 3596 df-op 3598 df-uni 3806 df-int 3841 df-iun 3884 df-br 3999 df-opab 4060 df-mpt 4061 df-tr 4097 df-id 4287 df-iord 4360 df-on 4362 df-suc 4365 df-iom 4584 df-xp 4626 df-rel 4627 df-cnv 4628 df-co 4629 df-dm 4630 df-rn 4631 df-res 4632 df-ima 4633 df-iota 5170 df-fun 5210 df-fn 5211 df-f 5212 df-f1 5213 df-fo 5214 df-f1o 5215 df-fv 5216 df-ov 5868 df-oprab 5869 df-mpo 5870 df-1st 6131 df-2nd 6132 df-recs 6296 df-irdg 6361 df-oadd 6411 df-omul 6412 df-ni 7278 df-mi 7280 |
This theorem is referenced by: (None) |
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