Proof step

Ore-algebra identity of two definitions

All-n equality of two definitions

Concludes
shift_x_plus_one of veronese_section_2_0 of Triangle read by rows: T(n,k) is the number of ternary words of length n having k levels (n >= 1, 0 <= k <= n-1). A…
Premises
none: a direct theorem check
Theorem
polytool ?
Checked
polytool replayed · Lean not attempted
Technical details
Step id
e-836f377f58171f68 · JSON
Operation
All-n equality of two definitions
{
  "operation": "definition_equality"
}
Claims
Certificate
definition_equality, SHA-256 52c5ca855c7a173e25ee843b4771325d4af5d73ed32c7ba75c9082827e8c0cc9, 10,253 bytes (2,858 compressed); download
polytool replayed the certificate when the step was written.