is mentioned by
Thm* Bij(n; n; p) Thm* Thm* Bij(m; m; q) Thm* Thm* sum(f(p(x),q(y)) | x < n; y < m) = sum(f(x,y) | x < n; y < m) | [permute_double_sum] |
Thm* Bij(n; n; p) sum(f(p(x)) | x < n) = sum(f(x) | x < n) | [permute_sum] |
[permute_by_flips] | |
[compose_bij] |
In prior sections: fun 1 mb nat
Try larger context:
MarkB generic
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html