Lesson 07 of 12
Validity rules
Signs alternate in the written order.
Letter order is PJJP or JPPJ — not strict PJPJ.
Positions 1 and 2 are one perceiving (N/S) and one judging (T/F) letter; position 3 is the other letter of position 2’s kind; position 4 is the other letter of position 1’s kind.
One function per quadrant — exactly the 16 standard stacks.
Exercise
Which CLO is invalid?