Table 5. The truth table for the premises.

	Exogenous system			Endogenous system
Stimulus	task	response	connective	task	response	connective
Seeing eyes	p	x ∨ y	p ↔ x ∨ y	π	ξ∧ψ	π⊕ξ∧ψ
	0	0	1	0	0∧0 = 0	0
	0	0∨1 = 1	0		0∧i = 0
		1∨0 = 1			i∧0 = 0
		1∨1 = 1		0	i∧i = i	i
	1	0	0	i	0∧0 = 0	i
	1	0∨1 = 1	1		0∧i = 0
		1∨0 = 1			i∧0 = 0
		1∨1 = 1		i	i∧i = i	0
Seeing face	q	y	q ↔ y	θ	ψ	θ ⊕ ψ
without eyes	0	0	1	0	0	0
	0	1	0	0	i	i
	1	0	0	i	0	i
	1	1	1	i	i	0