IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
before-map T,T':Type, f:(TT'), L:T List, x',y':T'.
x' before y' map(f;L) (x,y:T. x before yL & f(x) = x' & f(y) = y')
1. T : Type
2. T' : Type
3. f : TT' 4. T List
5. u : T 6. v : T List
7. x',y':T'.
7. x' before y' map(f;v) (x,y:T. x before yv & f(x) = x' & f(y) = y')
x',y':T'.
x' before y' [(f(u)) / map(f;v)]
(x,y:T. x before y [u / v] & f(x) = x' & f(y) = y')
11 steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html