Step
*
1
2
of Lemma
rel_plus_field
1. [T] : Type
2. [R] : T ⟶ T ⟶ ℙ
3. [P] : T ⟶ ℙ
4. ∀x,y:T. ((R x y)
⇒ ((P x) ∧ (P y)))
5. R+ => λx,y. ((P x) ∧ (P y))
⊢ ∀x,y:T. ((R+ x y)
⇒ ((P x) ∧ (P y)))
BY
{ TACTIC:(RepUR ``rel_implies`` -1 THEN Auto) }
Latex:
Latex:
1. [T] : Type
2. [R] : T {}\mrightarrow{} T {}\mrightarrow{} \mBbbP{}
3. [P] : T {}\mrightarrow{} \mBbbP{}
4. \mforall{}x,y:T. ((R x y) {}\mRightarrow{} ((P x) \mwedge{} (P y)))
5. R\msupplus{} => \mlambda{}x,y. ((P x) \mwedge{} (P y))
\mvdash{} \mforall{}x,y:T. ((R\msupplus{} x y) {}\mRightarrow{} ((P x) \mwedge{} (P y)))
By
Latex:
TACTIC:(RepUR ``rel\_implies`` -1 THEN Auto)
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