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

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

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Artificial intelligence
A heuristic is a way of trying __________

To search and measure how far a node in a search tree seems to be from a goal
To compare two nodes in a search tree to see if one is better than the other is
To discover something or an idea embedded in a program
All of the mentioned

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