## Compare your technique with thinking of A ≡ B as a syntactic abbreviation for (A ⊃ B) ∧ (B ⊃ A). Do you see significant advantages or disadvantages of your method? Draft of

- Compare your technique with thinking of A ≡ B as…
- 1999

For the propositional case, we can obtain a decision procedure from the inverse method. We stop with success if we have reached the goal sequent (or a strengthened form of it) and with failure if any possible application of an inference rule leads to a sequent that is already present. This means we should devise a data structure or algorithm which allows us… (More)