In ancient times, fake teeth were carved out of available materials such as ivory, or hard wood. In modern times, replacement teeth can be colored with dyes to match original teeth or any desired color.
Common colors are kept in supply and are photographed and displayed on cards to show to the patient to help them choose the color they want.
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True
false
Assuming that you mean not (p or q) if and only if P ~(PVQ)--> P so now construct a truth table, (just place it vertical since i cannot place it vertical through here.) P True True False False Q True False True False (PVQ) True True True False ~(PVQ) False False False True ~(PVQ)-->P True True True False if it's ~(P^Q) -->P then it's, P True True False False Q True False True False (P^Q) True False False False ~(P^Q) False True True True ~(P^Q)-->P True True False False
false
It is false.