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| Mirrors > Home > ILE Home > Th. List > nnanq0 | Unicode version | ||
| Description: Addition of nonnegative fractions with a common denominator. You can add two fractions with the same denominator by adding their numerators and keeping the same denominator. (Contributed by Jim Kingdon, 1-Dec-2019.) |
| Ref | Expression |
|---|---|
| nnanq0 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addnnnq0 7533 |
. . 3
| |
| 2 | 1 | 3impdir 1305 |
. 2
|
| 3 | pinn 7393 |
. . . . . . . 8
| |
| 4 | nnmcom 6556 |
. . . . . . . 8
| |
| 5 | 3, 4 | sylan2 286 |
. . . . . . 7
|
| 6 | 5 | 3adant2 1018 |
. . . . . 6
|
| 7 | 6 | oveq1d 5940 |
. . . . 5
|
| 8 | nndi 6553 |
. . . . . . 7
| |
| 9 | 8 | 3coml 1212 |
. . . . . 6
|
| 10 | 3, 9 | syl3an3 1284 |
. . . . 5
|
| 11 | 7, 10 | eqtr4d 2232 |
. . . 4
|
| 12 | 11 | opeq1d 3815 |
. . 3
|
| 13 | 12 | eceq1d 6637 |
. 2
|
| 14 | simp3 1001 |
. . 3
| |
| 15 | nnacl 6547 |
. . . 4
| |
| 16 | 15 | 3adant3 1019 |
. . 3
|
| 17 | mulcanenq0ec 7529 |
. . 3
| |
| 18 | 14, 16, 14, 17 | syl3anc 1249 |
. 2
|
| 19 | 2, 13, 18 | 3eqtrrd 2234 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| 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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-coll 4149 ax-sep 4152 ax-nul 4160 ax-pow 4208 ax-pr 4243 ax-un 4469 ax-setind 4574 ax-iinf 4625 |
| This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-ral 2480 df-rex 2481 df-reu 2482 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-nul 3452 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-int 3876 df-iun 3919 df-br 4035 df-opab 4096 df-mpt 4097 df-tr 4133 df-id 4329 df-iord 4402 df-on 4404 df-suc 4407 df-iom 4628 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-rn 4675 df-res 4676 df-ima 4677 df-iota 5220 df-fun 5261 df-fn 5262 df-f 5263 df-f1 5264 df-fo 5265 df-f1o 5266 df-fv 5267 df-ov 5928 df-oprab 5929 df-mpo 5930 df-1st 6207 df-2nd 6208 df-recs 6372 df-irdg 6437 df-oadd 6487 df-omul 6488 df-er 6601 df-ec 6603 df-qs 6607 df-ni 7388 df-mi 7390 df-enq0 7508 df-nq0 7509 df-plq0 7511 |
| This theorem is referenced by: nq02m 7549 prarloclemcalc 7586 |
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