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fix(doc): fix subsection title

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expand "(disjunction)" title for consistency with the other subsection titles around
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Théo Zimmermann 2015-07-30 18:28:22 +02:00 committed by Leonardo de Moura
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@ -477,7 +477,7 @@ Now, we prove =p ∧ q → q ∧ p= with the following simple proof term.
Note that the proof term is very similar to a function that just swaps the Note that the proof term is very similar to a function that just swaps the
elements of a pair. elements of a pair.
*** (disjunction) *** Or (disjunction)
The expression =or.intro_left b H1= creates a proof for =a ∨ b= using a proof =H1 : a=. The expression =or.intro_left b H1= creates a proof for =a ∨ b= using a proof =H1 : a=.
Similarly, =or.intro_right a H2= creates a proof for =a ∨ b= using a proof =H2 : b=. Similarly, =or.intro_right a H2= creates a proof for =a ∨ b= using a proof =H2 : b=.