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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 7745. (Contributed by Jim Kingdon, 14-Jul-2021.) |
Ref | Expression |
---|---|
addvalex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ov 5777 | . 2 | |
2 | df-nr 7535 | . . . . 5 | |
3 | npex 7281 | . . . . . . 7 | |
4 | 3, 3 | xpex 4654 | . . . . . 6 |
5 | 4 | qsex 6486 | . . . . 5 |
6 | 2, 5 | eqeltri 2212 | . . . 4 |
7 | df-add 7631 | . . . . 5 | |
8 | df-c 7626 | . . . . . . . . 9 | |
9 | 8 | eleq2i 2206 | . . . . . . . 8 |
10 | 8 | eleq2i 2206 | . . . . . . . 8 |
11 | 9, 10 | anbi12i 455 | . . . . . . 7 |
12 | 11 | anbi1i 453 | . . . . . 6 |
13 | 12 | oprabbii 5826 | . . . . 5 |
14 | 7, 13 | eqtri 2160 | . . . 4 |
15 | 6, 14 | oprabex3 6027 | . . 3 |
16 | opexg 4150 | . . 3 | |
17 | fvexg 5440 | . . 3 | |
18 | 15, 16, 17 | sylancr 410 | . 2 |
19 | 1, 18 | eqeltrid 2226 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wex 1468 wcel 1480 cvv 2686 cop 3530 cxp 4537 cfv 5123 (class class class)co 5774 coprab 5775 cqs 6428 cnp 7099 cer 7104 cnr 7105 cplr 7109 cc 7618 caddc 7623 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-coll 4043 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-iinf 4502 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-reu 2423 df-rab 2425 df-v 2688 df-sbc 2910 df-csb 3004 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-iun 3815 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-iom 4505 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-f1 5128 df-fo 5129 df-f1o 5130 df-fv 5131 df-ov 5777 df-oprab 5778 df-qs 6435 df-ni 7112 df-nqqs 7156 df-inp 7274 df-nr 7535 df-c 7626 df-add 7631 |
This theorem is referenced by: peano2nnnn 7661 |
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