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Step * of Lemma predicate_implies_weakening

∀[T:Type]. ∀[P1,P2:T ⟶ ℙ].  (P1 ⇐⇒ P2 ⇒ P1 ⇒ P2)
BY
{ (Unfolds ``predicate_equivalent predicate_implies`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[P1,P2:T  {}\mrightarrow{}  \mBbbP{}].    (P1  \mLeftarrow{}{}\mRightarrow{}  P2  {}\mRightarrow{}  P1  {}\mRightarrow{}  P2)


By

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Latex:
(Unfolds  ``predicate\_equivalent  predicate\_implies``  0  THEN  Auto)

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