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Step * of Lemma rel_equivalent_transitivity

∀[T:Type]. ∀[R1,R2,R3:T ⟶ T ⟶ ℙ].  (R1 ⇐⇒ R2 ⇒ R2 ⇐⇒ R3 ⇒ R1 ⇐⇒ R3)
BY
{ (Unfolds ``rel_equivalent`` 0 THEN Auto THEN BackThruSomeHyp THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[R1,R2,R3:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].    (R1  \mLeftarrow{}{}\mRightarrow{}  R2  {}\mRightarrow{}  R2  \mLeftarrow{}{}\mRightarrow{}  R3  {}\mRightarrow{}  R1  \mLeftarrow{}{}\mRightarrow{}  R3)


By

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Latex:
(Unfolds  ``rel\_equivalent``  0  THEN  Auto  THEN  BackThruSomeHyp  THEN  Auto)

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