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Mirrors > Home > MPE Home > Th. List > cgsex2g | Unicode version |
Description: Implicit substitution inference for general classes. (Contributed by NM, 26-Jul-1995.) |
Ref | Expression |
---|---|
cgsex2g.1 | |
cgsex2g.2 |
Ref | Expression |
---|---|
cgsex2g |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cgsex2g.2 | . . . 4 | |
2 | 1 | biimpa 484 | . . 3 |
3 | 2 | exlimivv 1723 | . 2 |
4 | elisset 3120 | . . . . . 6 | |
5 | elisset 3120 | . . . . . 6 | |
6 | 4, 5 | anim12i 566 | . . . . 5 |
7 | eeanv 1988 | . . . . 5 | |
8 | 6, 7 | sylibr 212 | . . . 4 |
9 | cgsex2g.1 | . . . . 5 | |
10 | 9 | 2eximi 1657 | . . . 4 |
11 | 8, 10 | syl 16 | . . 3 |
12 | 1 | biimprcd 225 | . . . . 5 |
13 | 12 | ancld 553 | . . . 4 |
14 | 13 | 2eximdv 1712 | . . 3 |
15 | 11, 14 | syl5com 30 | . 2 |
16 | 3, 15 | impbid2 204 | 1 |
Colors of variables: wff setvar class |
Syntax hints: -> wi 4 <-> wb 184
/\ wa 369 = wceq 1395 E. wex 1612
e. wcel 1818 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1618 ax-4 1631 ax-5 1704 ax-6 1747 ax-7 1790 ax-10 1837 ax-11 1842 ax-12 1854 ax-ext 2435 |
This theorem depends on definitions: df-bi 185 df-an 371 df-tru 1398 df-ex 1613 df-nf 1617 df-sb 1740 df-clab 2443 df-cleq 2449 df-clel 2452 df-v 3111 |
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