Proof step
Ore-algebra identity of two definitions
All-n equality of two definitions
- Concludes
- shift_x_plus_one of Triangle read by rows: T(n, k) (0<=k<=2n) is the number of Delannoy paths of length n, having k steps.
- Premises
- none: a direct theorem check
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-fbebeadd27b9d988· JSON- Operation
- All-n equality of two definitions
{ "operation": "definition_equality" } - Claims
- Certificate
definition_equality, SHA-256dfb1ae0d514e2ca396bab9d26754ddad31028a56c959cb5d3f9b54b80d0b1231, 27,216 bytes (4,659 compressed); downloadpolytool replayed the certificate when the step was written.