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Mirrors > Home > MPE Home > Th. List > Mathboxes > iden2 | Structured version Visualization version Unicode version |
Description: Virtual deduction identity rule. simpr 477 in conjunction form Virtual Deduction notation. (Contributed by Alan Sare, 5-Sep-2016.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
iden2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 477 | . 2 | |
2 | dfvd2an 38798 | . 2 | |
3 | 1, 2 | mpbir 221 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wvd1 38785 wvhc2 38796 |
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-vhc2 38797 |
This theorem is referenced by: (None) |
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