⚡ NAL Contradiction Crusher

Two beliefs collide. Only one revision rule is correct. Crush the contradiction by choosing how NAL merges conflicting evidence.

Round 1 of 6
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NAL Revision Rules

Positive revision (same direction): f = (f₁w₁ + f₂w₂)/(w₁+w₂), c = (w₁+w₂)/(w₁+w₂+1)
Negative revision (opposite direction): f = (f₁w₁ + (1-f₂)w₂)/(w₁+w₂), c = (w₁+w₂)/(w₁+w₂+1)
where w = c/(1-c) is evidence count. When beliefs conflict (one says true, one says false), frequency moves toward whichever has more evidence weight. Confidence always increases — even wrong beliefs make you more informed.