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Mirrors > Home > ILE Home > Th. List > oav2 | Unicode version |
Description: Value of ordinal addition. (Contributed by Mario Carneiro and Jim Kingdon, 12-Aug-2019.) |
Ref | Expression |
---|---|
oav2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oafnex 6047 | . . 3 | |
2 | rdgival 5992 | . . 3 | |
3 | 1, 2 | mp3an1 1255 | . 2 |
4 | oav 6057 | . 2 | |
5 | onelon 4139 | . . . . . 6 | |
6 | vex 2604 | . . . . . . . . . 10 | |
7 | oaexg 6051 | . . . . . . . . . 10 | |
8 | 6, 7 | mpan2 415 | . . . . . . . . 9 |
9 | sucexg 4242 | . . . . . . . . . 10 | |
10 | 8, 9 | syl 14 | . . . . . . . . 9 |
11 | suceq 4157 | . . . . . . . . . 10 | |
12 | eqid 2081 | . . . . . . . . . 10 | |
13 | 11, 12 | fvmptg 5269 | . . . . . . . . 9 |
14 | 8, 10, 13 | syl2anc 403 | . . . . . . . 8 |
15 | 14 | adantr 270 | . . . . . . 7 |
16 | oav 6057 | . . . . . . . 8 | |
17 | 16 | fveq2d 5202 | . . . . . . 7 |
18 | 15, 17 | eqtr3d 2115 | . . . . . 6 |
19 | 5, 18 | sylan2 280 | . . . . 5 |
20 | 19 | anassrs 392 | . . . 4 |
21 | 20 | iuneq2dv 3699 | . . 3 |
22 | 21 | uneq2d 3126 | . 2 |
23 | 3, 4, 22 | 3eqtr4d 2123 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wceq 1284 wcel 1433 cvv 2601 cun 2971 ciun 3678 cmpt 3839 con0 4118 csuc 4120 wfn 4917 cfv 4922 (class class class)co 5532 crdg 5979 coa 6021 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-coll 3893 ax-sep 3896 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-csb 2909 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-nul 3252 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-iun 3680 df-br 3786 df-opab 3840 df-mpt 3841 df-tr 3876 df-id 4048 df-iord 4121 df-on 4123 df-suc 4126 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-f1 4927 df-fo 4928 df-f1o 4929 df-fv 4930 df-ov 5535 df-oprab 5536 df-mpt2 5537 df-1st 5787 df-2nd 5788 df-recs 5943 df-irdg 5980 df-oadd 6028 |
This theorem is referenced by: oasuc 6067 |
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