What is the difference between necessary and sufficient?

Fil Albuquerque
Reply Wed 3 Jun, 2015 03:39 am
It doesn't have to be the "MAIN" cause of it. Necessity only implies that the condition cannot be replaced.
In biology heart failure is sufficient to account for death but not necessarily the cause of it.

A black duck necessitates blackness.
Reply Wed 3 Jun, 2015 03:54 am
@Fil Albuquerque,
I apologize for later edit. Try not to jump the gun.
0 Replies

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