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14
15
16 include "coq.ma".
17
18 (* commento che va nell'ast, ma non viene contato
19     come step perche' non e' un executable
20 *)
21
22 alias num (instance 0) = "natural number".
23 alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
24 theorem a:0=0.
25
26 (* nota *)
27 (**
28
29
30 apply Prop.
31 *)
32 reflexivity.
33 (* commenti che non devono essere colorati perche'
34    non c'e' nulla di eseguibile dopo di loro
35 *)
36 qed.