ANSWERS: 5
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AND, BUT and OR, they'll get you pretty far! - "Conjunction Junction", Schoolhouse Rock.
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oh, what a hideous memory this brings back. Karnaugh Maps - what fun.
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((((a IMP b) IMP ((NOT c) IMP (NOT d))) IMP c) IMP e) IMP ((e IMP a) IMP (d IMP a)) Note (a IMP b) is true unless a is true and b false In case you're wondering, it's Meredith's axiom!
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Um... I've never thought about it. NAND, I guess. This is a little bit like choosing my favourite part of speech: adverbs.
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Nor or Nand, because all of the othere boolean expressions can be defined in terms of each of these.
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