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Mirrors > Home > ILE Home > Th. List > frecabex | Unicode version |
Description: The class abstraction from df-frec 5978 exists. This is a lemma for other finite recursion proofs. (Contributed by Jim Kingdon, 13-May-2020.) |
Ref | Expression |
---|---|
frecabex.sex | |
frecabex.fvex | |
frecabex.aex |
Ref | Expression |
---|---|
frecabex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | omex 4316 | . . . 4 | |
2 | simpr 103 | . . . . . . 7 | |
3 | 2 | abssi 3015 | . . . . . 6 |
4 | frecabex.sex | . . . . . . . 8 | |
5 | vex 2560 | . . . . . . . 8 | |
6 | fvexg 5194 | . . . . . . . 8 | |
7 | 4, 5, 6 | sylancl 392 | . . . . . . 7 |
8 | frecabex.fvex | . . . . . . 7 | |
9 | fveq2 5178 | . . . . . . . . 9 | |
10 | 9 | eleq1d 2106 | . . . . . . . 8 |
11 | 10 | spcgv 2640 | . . . . . . 7 |
12 | 7, 8, 11 | sylc 56 | . . . . . 6 |
13 | ssexg 3896 | . . . . . 6 | |
14 | 3, 12, 13 | sylancr 393 | . . . . 5 |
15 | 14 | ralrimivw 2393 | . . . 4 |
16 | abrexex2g 5747 | . . . 4 | |
17 | 1, 15, 16 | sylancr 393 | . . 3 |
18 | simpr 103 | . . . . 5 | |
19 | 18 | abssi 3015 | . . . 4 |
20 | frecabex.aex | . . . 4 | |
21 | ssexg 3896 | . . . 4 | |
22 | 19, 20, 21 | sylancr 393 | . . 3 |
23 | 17, 22 | jca 290 | . 2 |
24 | unexb 4177 | . . 3 | |
25 | unab 3204 | . . . 4 | |
26 | 25 | eleq1i 2103 | . . 3 |
27 | 24, 26 | bitri 173 | . 2 |
28 | 23, 27 | sylib 127 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wo 629 wal 1241 wceq 1243 wcel 1393 cab 2026 wral 2306 wrex 2307 cvv 2557 cun 2915 wss 2917 c0 3224 csuc 4102 com 4313 cdm 4345 cfv 4902 |
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-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-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 |
This theorem is referenced by: frectfr 5985 frecsuclem3 5990 |
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