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Mirrors > Home > ILE Home > Th. List > cbvmptf | Unicode version |
Description: Rule to change the bound variable in a maps-to function, using implicit substitution. This version has bound-variable hypotheses in place of distinct variable conditions. (Contributed by Thierry Arnoux, 9-Mar-2017.) |
Ref | Expression |
---|---|
cbvmptf.1 | |
cbvmptf.2 | |
cbvmptf.3 | |
cbvmptf.4 | |
cbvmptf.5 |
Ref | Expression |
---|---|
cbvmptf |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1508 | . . . 4 | |
2 | cbvmptf.1 | . . . . . 6 | |
3 | 2 | nfcri 2275 | . . . . 5 |
4 | nfs1v 1912 | . . . . 5 | |
5 | 3, 4 | nfan 1544 | . . . 4 |
6 | eleq1w 2200 | . . . . 5 | |
7 | sbequ12 1744 | . . . . 5 | |
8 | 6, 7 | anbi12d 464 | . . . 4 |
9 | 1, 5, 8 | cbvopab1 4001 | . . 3 |
10 | cbvmptf.2 | . . . . . 6 | |
11 | 10 | nfcri 2275 | . . . . 5 |
12 | cbvmptf.3 | . . . . . . 7 | |
13 | 12 | nfeq2 2293 | . . . . . 6 |
14 | 13 | nfsb 1919 | . . . . 5 |
15 | 11, 14 | nfan 1544 | . . . 4 |
16 | nfv 1508 | . . . 4 | |
17 | eleq1w 2200 | . . . . 5 | |
18 | cbvmptf.4 | . . . . . . 7 | |
19 | 18 | nfeq2 2293 | . . . . . 6 |
20 | cbvmptf.5 | . . . . . . 7 | |
21 | 20 | eqeq2d 2151 | . . . . . 6 |
22 | 19, 21 | sbhypf 2735 | . . . . 5 |
23 | 17, 22 | anbi12d 464 | . . . 4 |
24 | 15, 16, 23 | cbvopab1 4001 | . . 3 |
25 | 9, 24 | eqtri 2160 | . 2 |
26 | df-mpt 3991 | . 2 | |
27 | df-mpt 3991 | . 2 | |
28 | 25, 26, 27 | 3eqtr4i 2170 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wcel 1480 wsb 1735 wnfc 2268 copab 3988 cmpt 3989 |
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-v 2688 df-un 3075 df-sn 3533 df-pr 3534 df-op 3536 df-opab 3990 df-mpt 3991 |
This theorem is referenced by: resmptf 4869 |
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