Step
*
1
of Lemma
binrel_eqv_inversion
1. [T] : Type
2. [r] : T ⟶ T ⟶ ℙ
3. [r'] : T ⟶ T ⟶ ℙ
4. ∀x,y:T. (r x y
⇐⇒ r' x y)@i
5. x : T@i
6. y : T@i
⊢ r' x y
⇐⇒ r x y
BY
{ ((RWW "4" 0 THENM RelRST) THEN Auto) }
Latex:
Latex:
1. [T] : Type
2. [r] : T {}\mrightarrow{} T {}\mrightarrow{} \mBbbP{}
3. [r'] : T {}\mrightarrow{} T {}\mrightarrow{} \mBbbP{}
4. \mforall{}x,y:T. (r x y \mLeftarrow{}{}\mRightarrow{} r' x y)@i
5. x : T@i
6. y : T@i
\mvdash{} r' x y \mLeftarrow{}{}\mRightarrow{} r x y
By
Latex:
((RWW "4" 0 THENM RelRST) THEN Auto)
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