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Mirrors > Home > ILE Home > Th. List > vtocl3 | Unicode version |
Description: Implicit substitution of classes for setvar variables. (Contributed by NM, 3-Jun-1995.) (Proof shortened by Andrew Salmon, 8-Jun-2011.) |
Ref | Expression |
---|---|
vtocl3.1 | |
vtocl3.2 | |
vtocl3.3 | |
vtocl3.4 | |
vtocl3.5 |
Ref | Expression |
---|---|
vtocl3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vtocl3.1 | . . . . . . 7 | |
2 | 1 | isseti 2720 | . . . . . 6 |
3 | vtocl3.2 | . . . . . . 7 | |
4 | 3 | isseti 2720 | . . . . . 6 |
5 | vtocl3.3 | . . . . . . 7 | |
6 | 5 | isseti 2720 | . . . . . 6 |
7 | eeeanv 1913 | . . . . . . 7 | |
8 | vtocl3.4 | . . . . . . . . . 10 | |
9 | 8 | biimpd 143 | . . . . . . . . 9 |
10 | 9 | eximi 1580 | . . . . . . . 8 |
11 | 10 | 2eximi 1581 | . . . . . . 7 |
12 | 7, 11 | sylbir 134 | . . . . . 6 |
13 | 2, 4, 6, 12 | mp3an 1319 | . . . . 5 |
14 | nfv 1508 | . . . . . . 7 | |
15 | 14 | 19.36-1 1653 | . . . . . 6 |
16 | 15 | 2eximi 1581 | . . . . 5 |
17 | 13, 16 | ax-mp 5 | . . . 4 |
18 | nfv 1508 | . . . . 5 | |
19 | 18 | 19.36-1 1653 | . . . 4 |
20 | 17, 19 | eximii 1582 | . . 3 |
21 | 20 | 19.36aiv 1881 | . 2 |
22 | vtocl3.5 | . . 3 | |
23 | 22 | gen2 1430 | . 2 |
24 | 21, 23 | mpg 1431 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 w3a 963 wal 1333 wceq 1335 wex 1472 wcel 2128 cvv 2712 |
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-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-ext 2139 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-nf 1441 df-sb 1743 df-clab 2144 df-cleq 2150 df-clel 2153 df-v 2714 |
This theorem is referenced by: (None) |
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