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4 (* ||A|| A project by Andrea Asperti *)
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21 include "logic/connectives.ma".
23 notation "#" non associative with precedence 90 for @{ 'sharp }.
24 interpretation "a" 'sharp = a.
25 interpretation "b" 'sharp = b.
27 ntheorem prova : ((A ∧ A → B) → (A → B) → C) → C.
29 napply (H ? ?) [#L | *w; #K1; #K2]