Proof step

Ore-algebra identity of two definitions

All-n equality of two definitions

Concludes
shift_x_plus_one of basis_map_A013611 of Triangle read by rows: T(n,k) = binomial(k,n-k).
Premises
none: a direct theorem check
Theorem
polytool ?
Checked
polytool replayed · Lean not attempted
Technical details
Step id
e-7bfc29c470808344 · JSON
Operation
All-n equality of two definitions
{
  "operation": "definition_equality"
}
Claims
Certificate
definition_equality, SHA-256 bdf12ee35e27b340edb8a5deb0b2ec9adbee91dc16c5d646675af07585572275, 20,050 bytes (4,040 compressed); download
polytool replayed the certificate when the step was written.