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Author SHA1 Message Date
Leonardo de Moura
dd62af1641 feat(frontends/parser): simplified theorem definition using tactical proof 
When using tactics for proving theorems, a common pattern is

     Theorem T : <proposition> := _.
          apply <tactic>.
          ...
          done.

This commit allows the user to write the simplified form:

     Theorem T : <proposition>.
          apply <tactic>.
          ...
          done.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-02 08:20:18 -08:00
Leonardo de Moura
25978118df feat(library/tactic): add beta-reduction tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-02 08:10:51 -08:00