{HEAD ~ The operational amplifiers} 40 and 42 operate in conjunction such that the voltage level appearing on line 15 will be the minimum of the potentials appearing on {TAIL ~ lines} 23 and 25 
{ HEAD ~ The operational amplifiers } 40 and 42 operate in conjunction such that the voltage level appearing on line 15 will be the minimum of the potentials appearing on { TAIL ~ lines } 23 and 25
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 OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH