I have an idea on how to prove a set with 2 connectives but I've never done any example with a set of one element. Assuming {$\land, \lor, \lnot$} is a complete set, how can I show that {→} is not a complete set? Can i use truth table to disprove it?
2026-04-25 05:16:30.1777094190
Prove that {→} is not a complete set
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