# Omega Calculator v1.2 (based on Omega Library 1.2, August, 2000):
# example { [i] -> [j] : 1 <= i < j <= 20 };

{[19] -> [20] }

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# example { [i,j] -> [i+1,j+1] : 1 <= i <= 9 && 5 <= j <= 25 };

{[1,5] -> [2,6] }

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# example (inverse { [i] -> [i+1] : 1 <= i <= 9 });

{[2] -> [1] }

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# example (domain { [i] -> [i+1] : 1 <= i <= 9 });

{[1]}

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# example (range { [i] -> [i+1] : 1 <= i <= 9 });

{[2]}

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# example ({[i] -> [i+1] : 1 <= i <= 9 } compose { [i] -> [i+1] : 1 <= i <= 9 });

{[1] -> [3] }

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