Ch 5  boolean logical in alice
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  • The Redo button will reverse the last use of the Undo button, restoring the previous action. The Ctrl-Y keyboard shortcut also can be used in place of the Redo button.
  • The Redo button will reverse the last use of the Undo button, restoring the previous action. The Ctrl-Y keyboard shortcut also can be used in place of the Redo button.
  • The Redo button will reverse the last use of the Undo button, restoring the previous action. The Ctrl-Y keyboard shortcut also can be used in place of the Redo button.
  • The Redo button will reverse the last use of the Undo button, restoring the previous action. The Ctrl-Y keyboard shortcut also can be used in place of the Redo button.
  • The Redo button will reverse the last use of the Undo button, restoring the previous action. The Ctrl-Y keyboard shortcut also can be used in place of the Redo button.
  • The Redo button will reverse the last use of the Undo button, restoring the previous action. The Ctrl-Y keyboard shortcut also can be used in place of the Redo button.
  • The Redo button will reverse the last use of the Undo button, restoring the previous action. The Ctrl-Y keyboard shortcut also can be used in place of the Redo button.

Transcript

  • 1. Boolean Logic in Alice
  • 2. Boolean Functions Functions in Alice that return true or false values are called Boolean functions. Alice has many such built-in functions, such as these two groups of basic Boolean functions and comparison functions.
  • 3. They can be found on the world’s functions tab
  • 4. They are used inside branching and looping instructions
  • 5. Boolean Functions The Boolean comparison functions can be used to create simple true or false conditions.
  • 6. Boolean Functions The Boolean logic functions can be used to create compound conditions.
  • 7. Boolean Functions Alice has many other world-level and object-level methods that return true or false values, such as the Boolean proximity functions shown here on aliceLiddel’s functions tab in the details area.
  • 8. Boolean Functions They can be used anywhere that a Boolean value is needed, such as in this If/Else command.