Exhibit infinite descents in ℤ and positive ℚ - #671
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Negated naturals decrease unboundedly in ℤ; reciprocal naturals do so among positive rationals.
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Summary
Int.infinite_descent:n ↦ -nis strictly decreasing.Rat.pos_infinite_descent:n ↦ 1/(n+1)is a positive rational descent.Test plan
Analysis/Section_4_4.lean