Artificial intelligence
The Newell and Simon program that proved theorems of Principia Mathematica was:

Boolean Algebra
General Problem Solver
None of these
Logic Theorist
Elementary Perceiver

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Artificial intelligence
An algorithm A is admissible if ___________

It is not guaranteed to return an optimal solution when one exists
It returns more solutions, but not an optimal one
It is guaranteed to return an optimal solution when one exists
It guarantees to return more optimal solutions

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