True (apex)
An indirect proof is a proof by contradiction.
A proof of product is a proof of product.
proof
paragraph proof
contradiction
A proof written in the form of a paragraph (as opposed to a two-column proof)
Both the algebraic proof and geometric proof are strong. The algebraic proof however is usually very involving.
Bacardi 151 is a hundred and one proof! And its rum.
The standard bullet proof vest is not stab proof, however there are some bullet proof vests that are. These stab-proof vests have a wire mesh on the outside, or a similar material.
I am not really sure what you are asking but there are 3 types of proofs in geometry a flow proof, a 2-collumn proof, and a paragraph proof.
100% pure alcohol is 200 proof. So 100 proof is 50% alcohol.