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"If you have built castles in the air, your work need not be lost; that is where they should be. Now put the foundations under them." Walden
(define Y (λ (f)
((λ (x) (f (λ (y) ((x x) y))))
(λ (x) (f (λ (y) ((x x) y)))))))
(((pryced com) at) dbul)