Step
*
1
of Lemma
rel-star-rel-plus3
1. [T] : Type
2. [R] : T ⟶ T ⟶ ℙ
3. x : T@i
4. y : T@i
5. z : T@i
6. n1 : ℕ@i
7. x R^n1 y@i
8. n : ℕ+@i
9. y R^n z@i
⊢ ∃n:ℕ+. (x R^n z)
BY
{ (FLemma `rel_exp_add` [-3;-1] THEN Auto) }
Latex:
Latex:
1. [T] : Type
2. [R] : T {}\mrightarrow{} T {}\mrightarrow{} \mBbbP{}
3. x : T@i
4. y : T@i
5. z : T@i
6. n1 : \mBbbN{}@i
7. x rel\_exp(T; R; n1) y@i
8. n : \mBbbN{}\msupplus{}@i
9. y rel\_exp(T; R; n) z@i
\mvdash{} \mexists{}n:\mBbbN{}\msupplus{}. (x rel\_exp(T; R; n) z)
By
Latex:
(FLemma `rel\_exp\_add` [-3;-1] THEN Auto)
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