that’s where knowledge of the
“If and ONLY IF A then B”
is important.
To me, that helps lead the mind into more vague examples, such as “IF A then B”.
The “If and only if” sets one side in concrete. There is a “MUST”, an “ABSOLUTE”.
I think part of the misunderstanding people have with “If A then B” is the “sometimes-ness” factor, or mistaking an IF with an IF AND ONLY IF.
Please correct me if I am mistaken in any of this. This is just “top of the head”.
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