_Bunny's blog

formula of a ^ b
By _Bunny, history, 2 hours ago, In English

hi everyone!

I read a blog write about formula of a^b = a'b + ab' and i dont understand. Someone can explain it for me pls :((

(sorry i'm poor E).

link: https://www.homeworklib.com/qaa/1383353/2prove-that-a-xor-b-a-xor-c-a-xor-b-b-xor

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115 minutes ago, # |
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Auto comment: topic has been updated by _Bunny (previous revision, new revision, compare).

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56 minutes ago, # |
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lol, that whole blog is shit. (a xor b) + (a xor c) = (a xor b) + (b xor c) is not true. U got (a xor b) on both sides, so basically ur saying that (a xor c) = (b xor c) which doesn't make sense. Simplest example you can prove it yourself is a = 1, b = 0, c = 1

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41 minute(s) ago, # |
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It's not wrong. it's just that the blog is in the context of boolean algebra, where, in fact, a^b = a'b + ab'. Here, ' symbol represents the negation of the boolean value of the variables.

In boolean algebra, a^b is true when a is false and b true OR a is true and b is false, predicate that is represented with a' and b or a and b' which is just written as a'b + ab'

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