Definitions array 1 Doc

At: array append wf 1

1. T: Type
2. i:
3. j: {i...}
4. k: {j...}
5. a: [T]Array{i..j}
6. b: [T]Array{j..k}

a @ b [T]Array{i..k}

By: OnMHyps [6;7;5;6] Analyze

Generated subgoal:

15. a: [T]Array
6. a.l = i
7. a.u = j
8. b: [T]Array
9. b.l = j
10. b.u = k
a @ b [T]Array{i..k}