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Assistant for generating Natural Deduction style proofs
This application aids in the creation of Natural Deduction style logical proofs. The style is that used in University of Auckland Philosophy courses.
Upon inputting a sequent, a proof can be completed within Natural Deduction Planner. The result can be exported to png, to text or to LaTeX macros.
Superficially, Dominoes on Acid is a solitaire variant of Dominoes with weird colorful tiles. But on a deeper level it is a GUI for natural deduction. Every completed domino is equivalent to a proof of a tautology in classical propositional logic.