Negative conclusion from affirmative premises
A negative conclusion from affirmative premises (also illicit affirmative) occurs when a categorical syllogism has a negative conclusion, but two affirmative premises.
Cogito ergo sum Logic and rhetoric |
Key articles |
General logic |
Bad logic |
v - t - e |
Not to be confused with negative proof or affirmative conclusion from a negative premise.
It is a syllogistical fallacy and a formal fallacy.
Forms
You commit this fallacy if you use either of the following false syllogisms:
- P1: Some A are B.
- P2: Some B are C.
- C: Some A are not C
- P1: Some A are B.
- P2: Some B are C.
- C: No A are C.
gollark: Perhaps it's easier if the containment unit magically™ reduces the total mass.
gollark: Time travel seems pretty hard to reason about for our operating-in-linear-time brains.
gollark: I have never heard anyone use slyce or, well, anything but bit, byte and occasionally nybble before.
gollark: Flip-flop things not implemented on top of other gates would be stateful, wouldn't they?
gollark: SRAM cells need power constantly or they lose data.
External links
This article is issued from Rationalwiki. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.