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In my Intro to Logic textbook there is a truth-table with the formula:

(~(p & q) = (~p v ~q))

The equal sign is meant to be a tribar

What is the main operator in this formula?

I think it is the first tilde but the textbook indicates that it is the tribar. Does anyone know the correct answer? Thanks.

(~(p & q) = (~p v ~q))

The equal sign is meant to be a tribar

What is the main operator in this formula?

I think it is the first tilde but the textbook indicates that it is the tribar. Does anyone know the correct answer? Thanks.

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