Step
*
of Lemma
usym_functionality_wrt_iff
∀[T:Type]. ∀[R,R':T ⟶ T ⟶ ℙ].
  ((∀[x,y:T].  (R[x;y] 
⇐⇒ R'[x;y])) 
⇒ (UniformlySym(T;x,y.R[x;y]) 
⇐⇒ UniformlySym(T;x,y.R'[x;y])))
BY
{ (Unfold `usym` 0 THEN EAuto 1) }
Latex:
Latex:
\mforall{}[T:Type].  \mforall{}[R,R':T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}].
    ((\mforall{}[x,y:T].    (R[x;y]  \mLeftarrow{}{}\mRightarrow{}  R'[x;y]))
    {}\mRightarrow{}  (UniformlySym(T;x,y.R[x;y])  \mLeftarrow{}{}\mRightarrow{}  UniformlySym(T;x,y.R'[x;y])))
By
Latex:
(Unfold  `usym`  0  THEN  EAuto  1)
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