Logic software that accelerates learning by giving immediate feedback, providing interactive help, and making natural deduction easy.
See Errors Immediately
Errors are flagged as soon as they are made.
Help at Your Fingertips
Video tutorials and hints are one click away.
Promote Good Habits
Assumptions must have explicit exit strategies.
Quick and Easy
Automatically renumbers lines and justifications.
Use with Your Textbook
Many texts, symbols and rulesets supported.
Fits Any Budget
Elegant software for the c
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