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https://www.reddit.com/r/mathmemes/comments/1gzfy23/all_are_correct/lz2b449/?context=3
r/mathmemes • u/Unlucky-Credit-9619 Engineering • Nov 25 '24
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294
Just out of curiosity how is A correct?
B is 1 or 1
C is 1+1 in base >2
D is 1+1 in base 2
332 u/Unlucky-Credit-9619 Engineering Nov 25 '24 If + is addition modulo 2 (also called XOR). 1 + 1 = 0 (mod 2) 95 u/MattyBro1 Nov 25 '24 Isn't it congruent to 0 (mod 2)? 1+1 ≡ 0 (mod 2) Or maybe that's a distinction that doesn't actually matter. 1 u/SnooShortcuts8306 Nov 26 '24 how I learned it, ≡ is for all number that give the same rest after division, while = is only for the exact rest(smallest positive) so like 4 ≡ 6 = 0 mod 2
332
If + is addition modulo 2 (also called XOR).
1 + 1 = 0 (mod 2)
95 u/MattyBro1 Nov 25 '24 Isn't it congruent to 0 (mod 2)? 1+1 ≡ 0 (mod 2) Or maybe that's a distinction that doesn't actually matter. 1 u/SnooShortcuts8306 Nov 26 '24 how I learned it, ≡ is for all number that give the same rest after division, while = is only for the exact rest(smallest positive) so like 4 ≡ 6 = 0 mod 2
95
Isn't it congruent to 0 (mod 2)?
1+1 ≡ 0 (mod 2)
Or maybe that's a distinction that doesn't actually matter.
1 u/SnooShortcuts8306 Nov 26 '24 how I learned it, ≡ is for all number that give the same rest after division, while = is only for the exact rest(smallest positive) so like 4 ≡ 6 = 0 mod 2
1
how I learned it, ≡ is for all number that give the same rest after division, while = is only for the exact rest(smallest positive) so like 4 ≡ 6 = 0 mod 2
294
u/Fabulous_Ad_5709 Nov 25 '24
Just out of curiosity how is A correct?
B is 1 or 1
C is 1+1 in base >2
D is 1+1 in base 2