Mathbox for Alan Sare |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > e21 | Structured version Visualization version Unicode version |
Description: A virtual deduction elimination rule (see syl6ci 71). (Contributed by Alan Sare, 12-Jun-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
e21.1 | |
e21.2 | |
e21.3 |
Ref | Expression |
---|---|
e21 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | e21.1 | . 2 | |
2 | e21.2 | . . 3 | |
3 | 2 | vd12 38825 | . 2 |
4 | e21.3 | . 2 | |
5 | 1, 3, 4 | e22 38896 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wvd1 38785 wvd2 38793 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 197 df-an 386 df-vd1 38786 df-vd2 38794 |
This theorem is referenced by: e21an 38958 en3lplem1VD 39078 exbiriVD 39089 syl5impVD 39099 sbcim2gVD 39111 onfrALTlem3VD 39123 onfrALTlem2VD 39125 hbimpgVD 39140 ax6e2eqVD 39143 vk15.4jVD 39150 |
Copyright terms: Public domain | W3C validator |