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Step * of Lemma rel_implies_functionality

∀[T:Type]. ∀[A1,A2,B1,B2:T ⟶ T ⟶ ℙ].  (A1 ⇐ A2 ⇒ B1 => B2 ⇒ {A1 => B1 ⇒ A2 => B2})
BY
{ (RepUR ``rel_implies rel_rev_implies guard`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[A1,A2,B1,B2:T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].    (A1  \mLeftarrow{}{}  A2  {}\mRightarrow{}  B1  =>  B2  {}\mRightarrow{}  \{A1  =>  B1  {}\mRightarrow{}  A2  =>  B2\})


By

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Latex:
(RepUR  ``rel\_implies  rel\_rev\_implies  guard``  0  THEN  Auto)

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