Exercise logic.propositional.dnf.unicode

Description
Proposition to DNF (unicode support)

¬(q → p) ↔ ((r ↔ s) ∨ (¬s ∧ ((r ↔ s) ∨ ¬s)))

ready: no

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• onefirst
• allfirsts (2)
• allapplications
• derivation
• microsteps

Path 1

path	[0, 2, 0, 0, 0, 1, 3]
steps	7
major rules	1
active labels	dnf simplify andrules