O'Reilly logo

Recursion Theory by Liang Yu, Chi Tat Chong

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

14.6.2 Lowness for image-randomness

Theorem 14.6.8. The following are equivalent for a real x.

(i)x is image-traceable;

(ii)Every image(x)-nullset is contained in a image-nullset;

(iii)x is low for image-randomness;

(iv)Every -ML random real is (x)-random.

Proof. (i) → (ii): Assume ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required