Questions pertaining to logical constructs
11
votes
5answers
4k views
Does “either A or B ” preclude “both A and B”?
In mathematics, "A or B" includes "A and B".
Does "either" mean "A or B but not (A and B)" or does it include the possibility of "A and B"?
The context might be mathematics, formal logic or ordinary ...
7
votes
1answer
1k views
Difference between “subsequently” and “consequently”?
When studying and reading course material in "softer" sciences that are descriptive the word "subsequently" appears in a way like "and subsequently" ...what does it mean, disctinct from "consequently" ...
6
votes
5answers
862 views
Can I say “We don't must”, any alternative using a modal verb if I can't?
Let me explain. Suppose someone says "We must play a game now". I disagree, but only on that we have to do it.
I shouldn't answer "We must not" because I would be saying that the game is not to be ...
4
votes
3answers
670 views
'Therefore' in an illogical logic sense
I have a co-worker that is always saying "Therefore, A B C" when the "A B C" isn't a conclusion from any sort of deductive reasoning. For example,
Me: ... thus, that's how it works.
Her: I ...
