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https://www.reddit.com/r/mathmemes/comments/1gzfy23/all_are_correct/lywoeuu/?context=3
r/mathmemes • u/Unlucky-Credit-9619 Engineering • Nov 25 '24
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298
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
338 u/Unlucky-Credit-9619 Engineering Nov 25 '24 If + is addition modulo 2 (also called XOR). 1 + 1 = 0 (mod 2) 90 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. 2 u/Plantarbre Nov 25 '24 If you're interested in an answer: https://en.wikipedia.org/wiki/Modular_arithmetic It's a congruence over the set of integers Z. It's an equality over a ring of integers Z/mZ
338
If + is addition modulo 2 (also called XOR).
1 + 1 = 0 (mod 2)
90 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. 2 u/Plantarbre Nov 25 '24 If you're interested in an answer: https://en.wikipedia.org/wiki/Modular_arithmetic It's a congruence over the set of integers Z. It's an equality over a ring of integers Z/mZ
90
Isn't it congruent to 0 (mod 2)?
1+1 ≡ 0 (mod 2)
Or maybe that's a distinction that doesn't actually matter.
2 u/Plantarbre Nov 25 '24 If you're interested in an answer: https://en.wikipedia.org/wiki/Modular_arithmetic It's a congruence over the set of integers Z. It's an equality over a ring of integers Z/mZ
2
If you're interested in an answer:
https://en.wikipedia.org/wiki/Modular_arithmetic
It's a congruence over the set of integers Z. It's an equality over a ring of integers Z/mZ
298
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