Q == (P 
Q) & (P Q)
A,B:Prop. (A B) 
Prop l == [x; y] 
lT:Type, l:T List, x,y:T. x before y l Prop L2
Def ==
f:(
||L1||
||L2||).
Def == increasing(f;||L1||) & (
j:||L1||. L1[j] = L2[(f(j))] T)T:Type, L1,L2:T List. L1 L2 Prop| Some definitions of interest. | |
| iff | Q == (P Q) & (P Q) |
| A,B:Prop. (A B) Prop | |
| l_before | l == [x; y] l |
| T:Type, l:T List, x,y:T. x before y l Prop | |
| sublist | L2
Def == f:(||L1||||L2||).
Def == increasing(f;||L1||) & ( j:||L1||. L1[j] = L2[(f(j))] T) |
| T:Type, L1,L2:T List. L1 L2 Prop |
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