Similar to 四値論理

Formal logic

Mathematical proof

Counterexample

Quantum logic

Ackermann function

Arity

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Hundredth

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1048576

Logic

Colorless green ideas sleep furiously

Two wrongs don't make a right

Yale shooting problem