TABLE 8.

Necessity analysis.

Condition tested	Consistency	Coverage
bi	0.916	0.708
∼bi	0.236	0.465
pf	0.877	0.703
∼pf	0.285	0.515
Sf	0.898	0.673
∼Sf	0.282	0.604
ef	0.880	0.706
∼ef	0.290	0.524
hca	0.880	0.708
∼hca	0.251	0.450
if	0.770	0.626
∼if	0.412	0.722

The symbol ∼ denotes the absence of the condition.