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Step * of Lemma imin_assoc

∀[a,b,c:ℤ].  (imin(a;imin(b;c)) = imin(imin(a;b);c) ∈ ℤ)
BY
{ ((UnivCD THENA Auto) THEN (BLemma `minus_mono_wrt_eq` THENA Auto) THEN RWO "minus_imin" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[a,b,c:\mBbbZ{}].    (imin(a;imin(b;c))  =  imin(imin(a;b);c))


By

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Latex:
((UnivCD  THENA  Auto)  THEN  (BLemma  `minus\_mono\_wrt\_eq`  THENA  Auto)  THEN  RWO  "minus\_imin"  0  THEN  Auto)

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