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Mirrors > Home > ILE Home > Th. List > 3ecoptocl | Unicode version |
Description: Implicit substitution of classes for equivalence classes of ordered pairs. (Contributed by NM, 9-Aug-1995.) |
Ref | Expression |
---|---|
3ecoptocl.1 | |
3ecoptocl.2 | |
3ecoptocl.3 | |
3ecoptocl.4 | |
3ecoptocl.5 |
Ref | Expression |
---|---|
3ecoptocl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3ecoptocl.1 | . . . 4 | |
2 | 3ecoptocl.3 | . . . . 5 | |
3 | 2 | imbi2d 229 | . . . 4 |
4 | 3ecoptocl.4 | . . . . 5 | |
5 | 4 | imbi2d 229 | . . . 4 |
6 | 3ecoptocl.2 | . . . . . . 7 | |
7 | 6 | imbi2d 229 | . . . . . 6 |
8 | 3ecoptocl.5 | . . . . . . 7 | |
9 | 8 | 3expib 1184 | . . . . . 6 |
10 | 1, 7, 9 | ecoptocl 6509 | . . . . 5 |
11 | 10 | com12 30 | . . . 4 |
12 | 1, 3, 5, 11 | 2ecoptocl 6510 | . . 3 |
13 | 12 | com12 30 | . 2 |
14 | 13 | 3impib 1179 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 962 wceq 1331 wcel 1480 cop 3525 cxp 4532 cec 6420 cqs 6421 |
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-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-br 3925 df-opab 3985 df-xp 4540 df-cnv 4542 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-ec 6424 df-qs 6428 |
This theorem is referenced by: ecovass 6531 ecoviass 6532 ecovdi 6533 ecovidi 6534 ltsonq 7199 ltanqg 7201 ltmnqg 7202 lttrsr 7563 ltsosr 7565 ltasrg 7571 mulextsr1 7582 |
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