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Theorem re1tbw1 1510
Description: tbw-ax1 1465 rederived from merco2 1501. (Contributed by Anthony Hart, 16-Aug-2011.) (Proof modification is discouraged.) (New usage is discouraged.)
Assertion
Ref Expression
re1tbw1

Proof of Theorem re1tbw1
StepHypRef Expression
1 mercolem8 1509 . . 3
2 mercolem3 1504 . . 3
3 mercolem6 1507 . . 3
41, 2, 3mpsyl 59 . 2
5 mercolem6 1507 . 2
64, 5ax-mp 5 1
Colors of variables: wff setvar class
Syntax hints:   wi 4
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 177  df-tru 1319  df-fal 1320
This theorem is referenced by:  re1tbw4  1513
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