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  1. Is 1+1=2 true by definition - Philosophy Stack Exchange

    Nov 20, 2013 · We see here that 1+1=2 is true in this interpretation, as a consequence of two axioms and the two definitions 1=S (0) and 2=S (S (0)). Because there were two axioms …

  2. General question about our universe, mathematics and physics: …

    Jun 30, 2017 · For instance, the sentence "1+1=2" is simply to convey the personal experience that when we accumulate things, say cows in our field, they grow in number in a predictable …

  3. What would happen if suddenly, 1+1=2 is disproved?

    May 28, 2018 · IF 1+1=2 is a sort of "law of the universe", and thus universally TRUE, you cannot disprove it. IF we can imagine to disprove it, it is because it is in some sense a human …

  4. logic - Cause-effect fallacy - Philosophy Stack Exchange

    Jan 22, 2023 · I would actually claim that in your first example person B is correct. Addition is constructed precisely to emulate the exact type of example you have there. 1 + 1 = 2 because …

  5. philosophy of mathematics - References for the notion of …

    Feb 10, 2022 · For example, the facts that 1+1=2 and 2+2=4 collectively ground their conjunction 1+1=2 AND 2+2=4 As for any "grounding", I think the notion at play is that a statement is true …

  6. How could our universe suddenly appear out of nothingness?

    The reason why 1 + 1 = 2 does not depend on some historical event taking place which made it true. If you reify the concept of nothing, you then create a whole set of a potentially absurd …

  7. Is the fact that ZFC implies that 1+1=2 an absolute truth?

    Jul 19, 2022 · However, when we say that 1+1=2 I think we have good intuitions about the mathematical context we are dealing with and therefore I think it is fair to assert that this …

  8. Is there such a thing as absolute proof? - Philosophy Stack Exchange

    Jan 22, 2024 · Why 1+1 => 2? Because if you put an apple in an empty bag, then add another, and you count the apples, you will find two apples. The same happens if you-hit-your-head …

  9. logic - Point in infinite regress where a 'why' question can no …

    Jan 22, 2023 · Why is it still considered an 'infinite regress' if all lines of questioning like this end up at a point where the line of questioning can no longer continue because the final statement …

  10. Absolute Truth in Mathematics - Philosophy Stack Exchange

    Jan 26, 2018 · Why is this different from the truth and relevance say of 1+1=2. Because this latter statement is the one by which one can be inspired to think through a general theory of addition …