The fuzzy inference device includes thereon a sweep signal generation circuit, switches for switching the input to the membership function generating circuits between the output of {TAIL ~ the sweep signal generation circuit} and {HEAD ~ an external input}, and membership function observing terminals for taking out externally the outputs of the membership function generation circuits 
The fuzzy inference device includes thereon a sweep signal generation circuit , switches for switching the input to the membership function generating circuits between the output of { TAIL ~ the sweep signal generation circuit } and { HEAD ~ an external input } , and membership function observing terminals for taking out externally the outputs of the membership function generation circuits
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH