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Mirrors > Home > ILE Home > Th. List > seqeq2 | Unicode version |
Description: Equality theorem for the sequence builder operation. (Contributed by Mario Carneiro, 4-Sep-2013.) |
Ref | Expression |
---|---|
seqeq2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 981 | . . . . . . 7 | |
2 | 1 | oveqd 5791 | . . . . . 6 |
3 | 2 | opeq2d 3712 | . . . . 5 |
4 | 3 | mpoeq3dva 5835 | . . . 4 |
5 | freceq1 6289 | . . . 4 frec frec | |
6 | 4, 5 | syl 14 | . . 3 frec frec |
7 | 6 | rneqd 4768 | . 2 frec frec |
8 | df-seqfrec 10219 | . 2 frec | |
9 | df-seqfrec 10219 | . 2 frec | |
10 | 7, 8, 9 | 3eqtr4g 2197 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 w3a 962 wceq 1331 wcel 1480 cvv 2686 cop 3530 crn 4540 cfv 5123 (class class class)co 5774 cmpo 5776 freccfrec 6287 c1 7621 caddc 7623 cuz 9326 cseq 10218 |
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 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-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-mpt 3991 df-cnv 4547 df-dm 4549 df-rn 4550 df-res 4551 df-iota 5088 df-fv 5131 df-ov 5777 df-oprab 5778 df-mpo 5779 df-recs 6202 df-frec 6288 df-seqfrec 10219 |
This theorem is referenced by: seqeq2d 10225 resqrex 10798 |
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