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Mirrors > Home > ILE Home > Th. List > addvalex | Unicode version |
Description: Existence of a sum. This is dependent on how we define so once we proceed to real number axioms we will replace it with theorems such as addcl 7006. (Contributed by Jim Kingdon, 14-Jul-2021.) |
Ref | Expression |
---|---|
addvalex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ov 5515 | . 2 | |
2 | df-nr 6812 | . . . . 5 | |
3 | npex 6571 | . . . . . . 7 | |
4 | 3, 3 | xpex 4453 | . . . . . 6 |
5 | 4 | qsex 6163 | . . . . 5 |
6 | 2, 5 | eqeltri 2110 | . . . 4 |
7 | df-add 6900 | . . . . 5 | |
8 | df-c 6895 | . . . . . . . . 9 | |
9 | 8 | eleq2i 2104 | . . . . . . . 8 |
10 | 8 | eleq2i 2104 | . . . . . . . 8 |
11 | 9, 10 | anbi12i 433 | . . . . . . 7 |
12 | 11 | anbi1i 431 | . . . . . 6 |
13 | 12 | oprabbii 5560 | . . . . 5 |
14 | 7, 13 | eqtri 2060 | . . . 4 |
15 | 6, 14 | oprabex3 5756 | . . 3 |
16 | opexg 3964 | . . 3 | |
17 | fvexg 5194 | . . 3 | |
18 | 15, 16, 17 | sylancr 393 | . 2 |
19 | 1, 18 | syl5eqel 2124 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wceq 1243 wex 1381 wcel 1393 cvv 2557 cop 3378 cxp 4343 cfv 4902 (class class class)co 5512 coprab 5513 cqs 6105 cnp 6389 cer 6394 cnr 6395 cplr 6399 cc 6887 caddc 6892 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-13 1404 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-coll 3872 ax-sep 3875 ax-pow 3927 ax-pr 3944 ax-un 4170 ax-iinf 4311 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-reu 2313 df-rab 2315 df-v 2559 df-sbc 2765 df-csb 2853 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-int 3616 df-iun 3659 df-br 3765 df-opab 3819 df-mpt 3820 df-id 4030 df-iom 4314 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-iota 4867 df-fun 4904 df-fn 4905 df-f 4906 df-f1 4907 df-fo 4908 df-f1o 4909 df-fv 4910 df-ov 5515 df-oprab 5516 df-qs 6112 df-ni 6402 df-nqqs 6446 df-inp 6564 df-nr 6812 df-c 6895 df-add 6900 |
This theorem is referenced by: peano2nnnn 6929 |
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