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Theorem ordpss 44413
Description: ordelpss 6348 with an antecedent removed. (Contributed by Andrew Salmon, 25-Jul-2011.)
Assertion
Ref Expression
ordpss (Ord 𝐵 → (𝐴𝐵𝐴𝐵))

Proof of Theorem ordpss
StepHypRef Expression
1 ordelord 6342 . . . 4 ((Ord 𝐵𝐴𝐵) → Ord 𝐴)
21ex 412 . . 3 (Ord 𝐵 → (𝐴𝐵 → Ord 𝐴))
32ancrd 551 . 2 (Ord 𝐵 → (𝐴𝐵 → (Ord 𝐴𝐴𝐵)))
4 ordelpss 6348 . . . . 5 ((Ord 𝐴 ∧ Ord 𝐵) → (𝐴𝐵𝐴𝐵))
54ancoms 458 . . . 4 ((Ord 𝐵 ∧ Ord 𝐴) → (𝐴𝐵𝐴𝐵))
65biimpd 229 . . 3 ((Ord 𝐵 ∧ Ord 𝐴) → (𝐴𝐵𝐴𝐵))
76expimpd 453 . 2 (Ord 𝐵 → ((Ord 𝐴𝐴𝐵) → 𝐴𝐵))
83, 7syld 47 1 (Ord 𝐵 → (𝐴𝐵𝐴𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wa 395  wcel 2109  wpss 3912  Ord word 6319
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-ext 2701  ax-sep 5246  ax-nul 5256  ax-pr 5382
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2066  df-clab 2708  df-cleq 2721  df-clel 2803  df-ne 2926  df-ral 3045  df-rex 3054  df-rab 3403  df-v 3446  df-dif 3914  df-un 3916  df-in 3918  df-ss 3928  df-pss 3931  df-nul 4293  df-if 4485  df-pw 4561  df-sn 4586  df-pr 4588  df-op 4592  df-uni 4868  df-br 5103  df-opab 5165  df-tr 5210  df-eprel 5531  df-po 5539  df-so 5540  df-fr 5584  df-we 5586  df-ord 6323
This theorem is referenced by: (None)
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