Related:

• Why did the cat fall off the roof? Because he lost his mu.
  (mew=sound cats make, mu=coeff of friction)...
• Friction is a drag.
• Theorem: a cat has nine tails. Proof: No cat has eight tails.
  A cat has one tail more than no cat. Therefore, a cat has nine tails....
• Theorem: a cat has nine tails. Proof: No cat has eight tails.
  A cat has one tail more than no cat. Therefore, a cat has nine tails. Arndt Jonasso...
• b>Theorem. A cat has nine tails. Proof. No cat has eight tails.
  Since one cat has one more tail than no cat, it must have nine tails....
• Next on Geraldo: Masturbation - fact or friction.