1	import Base
2	import ../../general/rose/ops.bend as RO
3	import ./type.bend as A
4	import ./ops.bend as O
5	
6	# LAW: an architecture's first key is its system's
7	law first_key_is_system:
8	  for +a: A.Architecture
9	  {RO.first(O.keys(a)) == O.system_key(a) : String}