On 12/18/2013 09:06 PM, "Ola Fosheim Grøstad"
<[email protected]>" wrote:
On Wednesday, 18 December 2013 at 19:47:05 UTC, Andrei Alexandrescu wrote:
I don't think so. Algebraic properties have been derived from
desirable and useful properties and have long shown good returns.
No, when you change the foundation/definitions some of the theorems will
break. That always happens. I can't think of a single example where that
does not happen.
Some theorems are more important to uphold than others, it is a good
thing to avoid breaking DeMorgans for instance.
...
Giving up Eg. ¬(A ∧ B) → ¬A ∨ ¬B is actually a sensible thing to do in
constructive logic.