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Theorem trud 1551
Description: Anything implies . Dual statement of falim 1558. Deduction form of tru 1545. Note on naming: in 2022, the theorem now known as mptru 1548 was renamed from trud so if you are reading documentation written before that time, references to trud refer to what is now mptru 1548. (Contributed by FL, 20-Mar-2011.) (Proof shortened by Anthony Hart, 1-Aug-2011.)
Assertion
Ref Expression
trud (𝜑 → ⊤)

Proof of Theorem trud
StepHypRef Expression
1 tru 1545 . 2
21a1i 11 1 (𝜑 → ⊤)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wtru 1542
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 207  df-tru 1544
This theorem is referenced by:  falimtru  1566  emptyex  1908  disjprg  5094  euotd  5461  elabrex  7188  elabrexg  7189  riota5f  7343  bj-abv  37107  wl-2mintru1  37691  wl-nax6im  37719  ac6s6  38369  lhpexle1  40264  prjspvs  42849  cnvtrucl0  43861  rfovcnvf1od  44241  fsupdm  47082  thinciso  49711
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