2 π > 6
An ingenious proof without words.
IR has the same cardinality as (0;1)
An ingenious proof almost without words.
The Law of Cosines
A ingenious proof almost without words.
Proofs (Almost) Without Words
Ingenious proofs!
Ingenious proofs!
An ingenious proof without words.
An ingenious proof almost without words.
A ingenious proof almost without words.