]> matita.cs.unibo.it Git - helm.git/blob - helm/software/matita/tests/paratest.ma
Preparing for 0.5.9 release.
[helm.git] / helm / software / matita / tests / paratest.ma
1 (**************************************************************************)
2 (*       ___                                                              *)
3 (*      ||M||                                                             *)
4 (*      ||A||       A project by Andrea Asperti                           *)
5 (*      ||T||                                                             *)
6 (*      ||I||       Developers:                                           *)
7 (*      ||T||         The HELM team.                                      *)
8 (*      ||A||         http://helm.cs.unibo.it                             *)
9 (*      \   /                                                             *)
10 (*       \ /        This file is distributed under the terms of the       *)
11 (*        v         GNU General Public License Version 2                  *)
12 (*                                                                        *)
13 (**************************************************************************)
14
15 include "nat/plus.ma".
16
17 (*ntheorem boo:
18    (∀x. x = x) → 0 = 0. 
19 ##[ #H; nwhd in H ⊢ %; nauto by H.*)
20
21 ntheorem bboo:
22   (∀x. x + 0 = x) ->
23   (∀x, y. x + S y = S (x + y)) →
24   (∀x, y. x + y = y + x) →
25   3 + 2 = 5.
26 #H; #H1; #H2; nauto by H, H1. H2.
27   
28 ntheorem foo:  
29    ((λx.x + 0 = x) ?) → 
30    ((λx,y.x + S y = S (x + y)) ? ?) →
31    ((λx,y.x y = x y) ? ?) →
32    ∀x. ((λz. x + x = z + z) ?). 
33 ##[ #H; #H1; #H2; #x; nwhd in H H1 H2 ⊢ %; nauto by H, H1, H2.