Proof step e-c2621fb6b5bc9d56

definition_equality → concludes about shift_x_plus_one of Triangle read by rows: T(n,k) is the number of ways to tile a 2 X n rectangle with k pieces of 2 X 2 tiles and n-2k pieces of 1 X 2 tiles (… JSON

Theorem

Ore-algebra identity of two definitions polytool ?

Operation

All-n equality of two definitions

{
  "operation": "definition_equality"
}

Premises

None: this step is a direct theorem check.

Claims

Verification and certificate

• polytool: replayed (the certificate replayed when the step was written)
• Lean: not attempted
• certificate: definition_equality, SHA-256 c72ab902dd9f2a8bc8f309d2a1f2682eb30b831f5848b6fda29cd9610d933ee1, 27,038 bytes (4,700 compressed); download JSON