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Mirrors > Home > ILE Home > Th. List > cgsex4g | Unicode version |
Description: An implicit substitution inference for 4 general classes. (Contributed by NM, 5-Aug-1995.) |
Ref | Expression |
---|---|
cgsex4g.1 | |
cgsex4g.2 |
Ref | Expression |
---|---|
cgsex4g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cgsex4g.2 | . . . . 5 | |
2 | 1 | biimpa 294 | . . . 4 |
3 | 2 | exlimivv 1889 | . . 3 |
4 | 3 | exlimivv 1889 | . 2 |
5 | elisset 2744 | . . . . . . . 8 | |
6 | elisset 2744 | . . . . . . . 8 | |
7 | 5, 6 | anim12i 336 | . . . . . . 7 |
8 | eeanv 1925 | . . . . . . 7 | |
9 | 7, 8 | sylibr 133 | . . . . . 6 |
10 | elisset 2744 | . . . . . . . 8 | |
11 | elisset 2744 | . . . . . . . 8 | |
12 | 10, 11 | anim12i 336 | . . . . . . 7 |
13 | eeanv 1925 | . . . . . . 7 | |
14 | 12, 13 | sylibr 133 | . . . . . 6 |
15 | 9, 14 | anim12i 336 | . . . . 5 |
16 | ee4anv 1927 | . . . . 5 | |
17 | 15, 16 | sylibr 133 | . . . 4 |
18 | cgsex4g.1 | . . . . . 6 | |
19 | 18 | 2eximi 1594 | . . . . 5 |
20 | 19 | 2eximi 1594 | . . . 4 |
21 | 17, 20 | syl 14 | . . 3 |
22 | 1 | biimprcd 159 | . . . . . 6 |
23 | 22 | ancld 323 | . . . . 5 |
24 | 23 | 2eximdv 1875 | . . . 4 |
25 | 24 | 2eximdv 1875 | . . 3 |
26 | 21, 25 | syl5com 29 | . 2 |
27 | 4, 26 | impbid2 142 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1348 wex 1485 wcel 2141 |
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 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-ext 2152 |
This theorem depends on definitions: df-bi 116 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 df-clel 2166 df-v 2732 |
This theorem is referenced by: copsex4g 4232 brecop 6603 |
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