A natural deduction tree can be put in exact correspondence with typed λ-calculus (that can be considered as just a notation for such deductions), and the cut-elimination in Natural Deduction corresponds exactly to β-reduction in λ-calculus.
Polls show the prime minister’s popularity is at a low ebb.
if there be not in nature a state exactly the opposite of the primary action, it appears to endeavor to indifferentiate itself, that is, to make its superior power available in the extinction of the change wrought in it from without (by the medicine), in the place of which it substitutes its normal state.
He had a long hang-dog sort of face and a cropped hair style that he claimed, dead pan, was a relic of his days at West Point.
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