What's new in The Penn Lambda Calculator 1.0.12

May 6, 2010
  • Fixed alphabetical variants of { x | ... } notation.
  • Fixed loading saved exercise files that use the new expression types.

New in The Penn Lambda Calculator 1.0.11 (May 6, 2010)

  • Treat { x | ... } as a binder.
  • In the scratch pad window, when there's a syntax error in the problem
  • statement, move the cursor to the location of the problem.
  • Allow the empty set symbol and raw integer numbers to be used in predicate logic expressions.

New in The Penn Lambda Calculator 1.0.10 (May 6, 2010)

  • Added to our predicate logic:
  • Set notations { a, b, c } and { ... | ... }.
  • Set intersection, union, subset, proper subset, superset, proper superset, and cardinality.
  • Integer multiplication. This is for the 'most' generalized quantifier.
  • Integer greater than, less than, those + or equal.
  • Added a new example file and updated the documentation for generalized
  • quantifiers.

New in The Penn Lambda Calculator 1.0.09 (May 6, 2010)

  • Allow omega and sigma symbols to be included in logical expressions.
  • Improved the naming conventions display for multiple letter identifiers.
  • In exercise files, parse multiple letter type conventions.
  • Update docs and example file.

New in The Penn Lambda Calculator 1.0.08 (May 6, 2010)

  • Corrected a problem reading exercise files saved in UTF8 with an initial
  • byte order marker.
  • Corrected a problem saving exercise files with meaning brackets.

New in The Penn Lambda Calculator 1.0.07 (May 6, 2010)

  • Corrected a problem saving exercise files with identifier conventions
  • without explicit description text.
  • Fix typo-type mistakes in example2.txt