ProofsPro Problems > Math > Logic > Proofs
Featured Pro Problems
Prove that there is no two digit number which is the product of its digits
There are infinitely many angles between 0 and 90 degrees for which sine and cosine values are both rational. Create a proof.
Use a proof by induction to predict the value of the sum of the first n perfect squares.
Prove by contradiction that the harmonic mean of two positive numbers lies between the two numbers
Show that the trig identity given is true for all non-negative integers n.
Do a proof by induction to show what the sum of the first n positive integers is.
Show that the expression given is an irrational expression
Find, with proof, the digits place of a product of consecutive integers
Full Directory ListingCubes and Nine, Ones Place Proof, Product of Digits, Rational Sine and Cosine, Squares Mod Four
ask your question!
Like us on Facebook to get updates about new resources