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,0)=1, T(n,n)=2, T(n,m) = T(n-1,m-1) + Sum_{k=0..m} T(n-1-k,m-k).
- Premises
- none: a direct theorem check
- Theorem
- polytool ?
- Checked
- polytool replayed · Lean not attempted
Technical details
- Step id
e-a6999a1e90ac081b· JSON- Operation
- All-n equality of two definitions
{ "operation": "definition_equality" } - Claims
- Certificate
definition_equality, SHA-25682d0bee444f8672b643e41db6b5221937f44531fd293754cc6c0b8dedf52238d, 10,341 bytes (2,852 compressed); downloadpolytool replayed the certificate when the step was written.