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"But there are also places where it makes no sense at all," she says.
I learned that for 4-SAT, if clause to variable ratio is more than 10, the generated problems become difficult to solve, and the likelihood of formula to be SAT or UNSAT is close to 50%. So I generated 3 types of formulas:
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00620-x