Liste des Groupes | Revenir à c theory |
On 2025-07-10 14:09:55 +0000, olcott said:*This Wikipedia quote*
On 7/10/2025 4:05 AM, Mikko wrote:That's right: if a contradiction is inferred then at least one of theOn 2025-07-09 14:16:44 +0000, olcott said:>
>On 7/9/2025 9:04 AM, joes wrote:>Am Wed, 09 Jul 2025 07:31:59 -0500 schrieb olcott:>On 7/9/2025 3:29 AM, Mikko wrote:>On 2025-07-08 14:18:32 +0000, olcott said:On 7/8/2025 2:41 AM, Mikko wrote:Should only false conclusions be derivable from false premises?True conclusion from false premeises is fairly common. But that isIt proves that logic is fundamentally incorrect on this point.
not relevant.
Logic must be a sequence of truth preserving operations or it is
wrong.
False premises must be immediately rejected.
Often one must work with sentences that are not known to be true but
not known to be false, either.
>
Then contradiction proves falsehood.
preimises is false. But that does not tell which premise is false.
Les messages affichés proviennent d'usenet.