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Theorem d6oa 997
Description: Derivation of 6-variable orthoarguesian law from OA distributive law.
Hypotheses
Ref Expression
d6oa.1 a ≤ b⊥
d6oa.2 c ≤ d⊥
d6oa.3 e ≤ f⊥
Assertion
Ref Expression
d6oa (((a ∪ b) ∩ (c ∪ d)) ∩ (e ∪ f)) ≤ (b ∪ (a ∩ (c ∪ (((a ∪ c) ∩ (b ∪ d)) ∩ (((a ∪ e) ∩ (b ∪ f)) ∪ ((c ∪ e) ∩ (d ∪ f)))))))
Proof of Theorem d6oa
StepHypRef Expression
1 d6oa.1 . 2 a ≤ b⊥
2 d6oa.2 . 2 c ≤ d⊥
3 d6oa.3 . 2 e ≤ f⊥
4 id 59 . 2 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )) = (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))
5 id 59 . 2 a⊥ = a⊥
6 id 59 . 2 c⊥ = c⊥
7 id 59 . 2 e⊥ = e⊥
8 id 59 . . . . 5 (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) = (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))))
9 id 59 . . . . 5 ((((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∩ (((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))))) = ((((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∩ (((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))))
108, 9d4oa 996 . . . 4 (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∪ ((((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∩ (((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ (((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))))))) ≤ ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))
11 id 59 . . . 4 (a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) = (a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))
12 id 59 . . . 4 (c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) = (c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))
13 id 59 . . . 4 (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) = (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))
1410, 11, 12, 13oa4gto4u 976 . . 3 ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((a⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∪ ((c⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ ((((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ ((a⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (c⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∪ ((((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ ((a⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∩ (((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))) ∪ ((c⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ ⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))))))))) ≤ (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))
1514oa4uto4 977 . 2 ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (a⊥ ∪ (c⊥ ∩ (((a⊥ ∩ c⊥ ) ∪ ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∪ (((a⊥ ∩ e⊥ ) ∪ ((a⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))))) ∩ ((c⊥ ∩ e⊥ ) ∪ ((c⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))) ∩ (e⊥ →1 (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ )))))))))) ≤ (((a⊥ ∩ b⊥ ) ∪ (c⊥ ∩ d⊥ )) ∪ (e⊥ ∩ f⊥ ))
161, 2, 3, 4, 5, 6, 7, 15oa4to6 965 1 (((a ∪ b) ∩ (c ∪ d)) ∩ (e ∪ f)) ≤ (b ∪ (a ∩ (c ∪ (((a ∪ c) ∩ (b ∪ d)) ∩ (((a ∪ e) ∩ (b ∪ f)) ∪ ((c ∪ e) ∩ (d ∪ f)))))))
Colors of variables: term
Syntax hints:   ≤ wle 2  ⊥ wn 4   ∪ wo 6   ∩ wa 7   →1 wi1 12
This theorem was proved from axioms:  ax-a1 30  ax-a2 31  ax-a3 32  ax-a4 33  ax-a5 34  ax-r1 35  ax-r2 36  ax-r4 37  ax-r5 38  ax-r3 439  ax-oadist 994
This theorem depends on definitions:  df-b 39  df-a 40  df-t 41  df-f 42  df-i0 43  df-i1 44  df-i2 45  df-le1 130  df-le2 131  df-c1 132  df-c2 133
This theorem is referenced by: (None)
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