Independent proof chain
Show the work.
Waiting for an expression.
Ready for a claim
Put the algebra on the table.
Enter a function and the derivative someone claims. The verifier derives, simplifies, and evaluates both sides without treating the input text as evidence.
Proof verdict
Claim verified algebraically and at the chosen point.
Symbolic residual
0Derived at point
9Claim at point
9Entered expressionx^3 - 3*x + 2
Claimed derivative3*x^2 - 3
Derived derivative3 * x ^ 2 - 3
Derived minus claim, simplified0
What this proves: The entered derivative matches the library-derived expression and both agree at the chosen point. It does not prove a research theorem or model understanding.