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Theorem ndmovdistr 6970
Description: Any operation is distributive outside its domain, if the domain doesn't contain the empty set. (Contributed by NM, 24-Aug-1995.)
Hypotheses
Ref Expression
ndmov.1 dom 𝐹 = (𝑆 × 𝑆)
ndmov.5 ¬ ∅ ∈ 𝑆
ndmov.6 dom 𝐺 = (𝑆 × 𝑆)
Assertion
Ref Expression
ndmovdistr (¬ (𝐴𝑆𝐵𝑆𝐶𝑆) → (𝐴𝐺(𝐵𝐹𝐶)) = ((𝐴𝐺𝐵)𝐹(𝐴𝐺𝐶)))

Proof of Theorem ndmovdistr
StepHypRef Expression
1 ndmov.1 . . . . . . 7 dom 𝐹 = (𝑆 × 𝑆)
2 ndmov.5 . . . . . . 7 ¬ ∅ ∈ 𝑆
31, 2ndmovrcl 6967 . . . . . 6 ((𝐵𝐹𝐶) ∈ 𝑆 → (𝐵𝑆𝐶𝑆))
43anim2i 603 . . . . 5 ((𝐴𝑆 ∧ (𝐵𝐹𝐶) ∈ 𝑆) → (𝐴𝑆 ∧ (𝐵𝑆𝐶𝑆)))
5 3anass 1080 . . . . 5 ((𝐴𝑆𝐵𝑆𝐶𝑆) ↔ (𝐴𝑆 ∧ (𝐵𝑆𝐶𝑆)))
64, 5sylibr 224 . . . 4 ((𝐴𝑆 ∧ (𝐵𝐹𝐶) ∈ 𝑆) → (𝐴𝑆𝐵𝑆𝐶𝑆))
76con3i 151 . . 3 (¬ (𝐴𝑆𝐵𝑆𝐶𝑆) → ¬ (𝐴𝑆 ∧ (𝐵𝐹𝐶) ∈ 𝑆))
8 ndmov.6 . . . 4 dom 𝐺 = (𝑆 × 𝑆)
98ndmov 6965 . . 3 (¬ (𝐴𝑆 ∧ (𝐵𝐹𝐶) ∈ 𝑆) → (𝐴𝐺(𝐵𝐹𝐶)) = ∅)
107, 9syl 17 . 2 (¬ (𝐴𝑆𝐵𝑆𝐶𝑆) → (𝐴𝐺(𝐵𝐹𝐶)) = ∅)
118, 2ndmovrcl 6967 . . . . . 6 ((𝐴𝐺𝐵) ∈ 𝑆 → (𝐴𝑆𝐵𝑆))
128, 2ndmovrcl 6967 . . . . . 6 ((𝐴𝐺𝐶) ∈ 𝑆 → (𝐴𝑆𝐶𝑆))
1311, 12anim12i 600 . . . . 5 (((𝐴𝐺𝐵) ∈ 𝑆 ∧ (𝐴𝐺𝐶) ∈ 𝑆) → ((𝐴𝑆𝐵𝑆) ∧ (𝐴𝑆𝐶𝑆)))
14 anandi3 1091 . . . . 5 ((𝐴𝑆𝐵𝑆𝐶𝑆) ↔ ((𝐴𝑆𝐵𝑆) ∧ (𝐴𝑆𝐶𝑆)))
1513, 14sylibr 224 . . . 4 (((𝐴𝐺𝐵) ∈ 𝑆 ∧ (𝐴𝐺𝐶) ∈ 𝑆) → (𝐴𝑆𝐵𝑆𝐶𝑆))
1615con3i 151 . . 3 (¬ (𝐴𝑆𝐵𝑆𝐶𝑆) → ¬ ((𝐴𝐺𝐵) ∈ 𝑆 ∧ (𝐴𝐺𝐶) ∈ 𝑆))
171ndmov 6965 . . 3 (¬ ((𝐴𝐺𝐵) ∈ 𝑆 ∧ (𝐴𝐺𝐶) ∈ 𝑆) → ((𝐴𝐺𝐵)𝐹(𝐴𝐺𝐶)) = ∅)
1816, 17syl 17 . 2 (¬ (𝐴𝑆𝐵𝑆𝐶𝑆) → ((𝐴𝐺𝐵)𝐹(𝐴𝐺𝐶)) = ∅)
1910, 18eqtr4d 2808 1 (¬ (𝐴𝑆𝐵𝑆𝐶𝑆) → (𝐴𝐺(𝐵𝐹𝐶)) = ((𝐴𝐺𝐵)𝐹(𝐴𝐺𝐶)))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 382  w3a 1071   = wceq 1631  wcel 2145  c0 4063   × cxp 5247  dom cdm 5249  (class class class)co 6793
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1870  ax-4 1885  ax-5 1991  ax-6 2057  ax-7 2093  ax-8 2147  ax-9 2154  ax-10 2174  ax-11 2190  ax-12 2203  ax-13 2408  ax-ext 2751  ax-sep 4915  ax-nul 4923  ax-pow 4974  ax-pr 5034
This theorem depends on definitions:  df-bi 197  df-an 383  df-or 837  df-3an 1073  df-tru 1634  df-ex 1853  df-nf 1858  df-sb 2050  df-eu 2622  df-mo 2623  df-clab 2758  df-cleq 2764  df-clel 2767  df-nfc 2902  df-ral 3066  df-rex 3067  df-rab 3070  df-v 3353  df-dif 3726  df-un 3728  df-in 3730  df-ss 3737  df-nul 4064  df-if 4226  df-sn 4317  df-pr 4319  df-op 4323  df-uni 4575  df-br 4787  df-opab 4847  df-xp 5255  df-dm 5259  df-iota 5994  df-fv 6039  df-ov 6796
This theorem is referenced by:  distrpi  9922  distrnq  9985  distrpr  10052  distrsr  10114
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