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Logic syntax on Wolfram|Alpha

Posted 1 year ago

Hi, can anyone explain why "truth table ((a and (b and c)) equivalent ((a and b) and c)) " doesn't work on Wolfram|Alpha?

POSTED BY: Anh Nguyen The
3 Replies

We are currently fixing this issue

POSTED BY: Peter Barendse
Posted 1 year ago

This

(a && (b && c))==((a && b) && c)

returns

True (for any a,b,c)
POSTED BY: Bill Nelson

Thanks for your help. This is quite weird. "truth table (a implies b) equivalent (not b implies not a)" works but "truth table ((a and (b and c)) equivalent ((a and b) and c)) " doesn't work,

POSTED BY: Anh Nguyen The
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