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Step * 2 of Lemma rel_plus_iff2


1. [T] : Type
2. [R] : T ⟶ T ⟶ ℙ
3. x : T@i
4. z : T@i
5. y : T@i
6. x R y@i
7. y (R^*) z@i
⊢ x R+ z
BY
{ ((InstLemma `rel-star-rel-plus2` [⌜T⌝; ⌜R⌝; ⌜x⌝; ⌜y⌝; ⌜z⌝])⋅ THEN Auto) }

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Latex:

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Latex:

1.  [T]  :  Type
2.  [R]  :  T  {}\mrightarrow{}  T  {}\mrightarrow{}  \mBbbP{}
3.  x  :  T@i
4.  z  :  T@i
5.  y  :  T@i
6.  x  R  y@i
7.  y  rel\_star(T;  R)  z@i
\mvdash{}  x  R\msupplus{}  z


By

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Latex:
((InstLemma  `rel-star-rel-plus2`  [\mkleeneopen{}T\mkleeneclose{};  \mkleeneopen{}R\mkleeneclose{};  \mkleeneopen{}x\mkleeneclose{};  \mkleeneopen{}y\mkleeneclose{};  \mkleeneopen{}z\mkleeneclose{}])\mcdot{}  THEN  Auto)

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