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Mirrors > Home > MPE Home > Th. List > Mathboxes > e23 | Structured version Visualization version Unicode version |
Description: A virtual deduction elimination rule (see syl10 79). (Contributed by Alan Sare, 12-Jun-2011.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
e23.1 | |
e23.2 | |
e23.3 |
Ref | Expression |
---|---|
e23 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | e23.1 | . . 3 | |
2 | 1 | vd23 38827 | . 2 |
3 | e23.2 | . 2 | |
4 | e23.3 | . 2 | |
5 | 2, 3, 4 | e33 38961 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wvd2 38793 wvd3 38803 |
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-3an 1039 df-vd2 38794 df-vd3 38806 |
This theorem is referenced by: e23an 38983 suctrALT2VD 39071 rspsbc2VD 39090 tratrbVD 39097 imbi12VD 39109 imbi13VD 39110 |
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