Mathbox for Alan Sare 
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Mirrors > Home > MPE Home > Th. List > Mathboxes > impexp3acom3r  Unicode version 
Description: The following User's Proof is a Virtual Deduction proof completed
automatically by the tools program completeusersproof.cmd, which invokes
Mel O'Cat's mmj2 and Norm Megill's Metamath Proof Assistant. The
completed Virtual Deduction Proof (not shown) was minimized. The
minimized proof is shown. (Contributed by Alan Sare, 18Mar2012.)
(Proof modification is discouraged.) (New usage is discouraged.)

Ref  Expression 

impexp3acom3r 
Step  Hyp  Ref  Expression 

1  impexp3a 27955  . 2  
2  com3rgbi 27956  . 2  
3  1, 2  bitr4i 244  1 
Colors of variables: wff set class 
Syntax hints: wi 4 wb 177 wa 359 
This theorem was proved from axioms: ax1 5 ax2 6 ax3 7 axmp 8 
This theorem depends on definitions: dfbi 178 dfan 361 
Copyright terms: Public domain  W3C validator 