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Mirrors > Home > ILE Home > Th. List > tfr1onlem3ag | Unicode version |
Description: Lemma for transfinite recursion. This lemma changes some bound variables in (version of tfrlem3ag 6288 but for tfr1on 6329 related lemmas). (Contributed by Jim Kingdon, 13-Mar-2022.) |
Ref | Expression |
---|---|
tfr1onlem3ag.1 |
Ref | Expression |
---|---|
tfr1onlem3ag |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fneq12 5291 | . . . 4 | |
2 | simpll 524 | . . . . . . 7 | |
3 | simpr 109 | . . . . . . 7 | |
4 | 2, 3 | fveq12d 5503 | . . . . . 6 |
5 | 2, 3 | reseq12d 4892 | . . . . . . 7 |
6 | 5 | fveq2d 5500 | . . . . . 6 |
7 | 4, 6 | eqeq12d 2185 | . . . . 5 |
8 | simplr 525 | . . . . 5 | |
9 | 7, 8 | cbvraldva2 2703 | . . . 4 |
10 | 1, 9 | anbi12d 470 | . . 3 |
11 | 10 | cbvrexdva 2706 | . 2 |
12 | tfr1onlem3ag.1 | . 2 | |
13 | 11, 12 | elab2g 2877 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1348 wcel 2141 cab 2156 wral 2448 wrex 2449 cres 4613 wfn 5193 cfv 5198 |
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-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-ext 2152 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ral 2453 df-rex 2454 df-v 2732 df-un 3125 df-in 3127 df-ss 3134 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-br 3990 df-opab 4051 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-res 4623 df-iota 5160 df-fun 5200 df-fn 5201 df-fv 5206 |
This theorem is referenced by: tfr1onlem3 6317 tfr1onlemsucaccv 6320 tfr1onlembxssdm 6322 tfr1onlemres 6328 |
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