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How would I deduce a≠c from the premises a≠b and b≠c in Fitch?
This is what I've done so far.
b≠a (Ana Con)
And then for some reason I get stuck here?
I know this sounds simple, but I'm lost! Thanks in advance.
You can't, because it isn't valid. Think about it with numbers, consider:
It's true that a≠b & b≠c, yet a=c.
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