YES a__termsNconsrecipa__sqrmarkNtermssNa__sqr00a__sqrsXsaddsqrXdblXa__dbl00a__dblsXssdblXa__add0XmarkXa__addsXYsaddXYa__first0Xnila__firstsXconsYZconsmarkYfirstXZmarktermsXa__termsmarkXmarksqrXa__sqrmarkXmarkaddX1X2a__addmarkX1markX2markdblXa__dblmarkXmarkfirstX1X2a__firstmarkX1markX2markconsX1X2consmarkX1X2markrecipXrecipmarkXmarksXsXmark00marknilnila__termsXtermsXa__sqrXsqrXa__addX1X2addX1X2a__dblXdblXa__firstX1X2firstX1X22.1a__termsNa__sqrmarkNa__termsNmarkNa__add0XmarkXa__firstsXconsYZmarkYmarktermsXa__termsmarkXmarktermsXmarkXmarksqrXa__sqrmarkXmarksqrXmarkXmarkaddX1X2a__addmarkX1markX2markaddX1X2markX1markaddX1X2markX2markdblXa__dblmarkXmarkdblXmarkXmarkfirstX1X2a__firstmarkX1markX2markfirstX1X2markX1markfirstX1X2markX2markconsX1X2markX1markrecipXmarkXtruea__termsNmarkNmarktermsXa__termsmarkXmarktermsXmarkXmarksqrXmarkXmarkaddX1X2a__addmarkX1markX2a__add0XmarkXmarkaddX1X2markX1markaddX1X2markX2markdblXmarkXmarkfirstX1X2a__firstmarkX1markX2a__firstsXconsYZmarkYmarkfirstX1X2markX1markfirstX1X2markX2markconsX1X2markX1markrecipXmarkXtruea__terms10mark10terms15mark15add25a__add21003first25a__first20s14a__terms15a__add25a__first25nil02a__terms11mark11terms11mark11sqr11add221a__add2200dbl11first221a__first22s1cons21recip11a__terms11a__sqr11a__add221a__dbl11a__first221nil0a__termsNmarkNmarktermsXa__termsmarkXmarksqrXmarkXmarkdblXmarkXa__firstsXconsYZmarkYmarkconsX1X2markX1markrecipXmarkXa__firstsXconsYZmarkYfalsemarktermsXa__termsmarkXa__termsNmarkNmarksqrXmarkXmarkdblXmarkXmarkconsX1X2markX1markrecipXmarkXtrue1a__terms1221mark11terms1221a__terms1221sqr11a__sqr11add2112a__add2112000dbl121a__dbl121first21122a__first21122cons2121recip11s1-2nil00mark1121marksqrXmarkXmarkrecipXmarkXmarksqrXmarkX1true1markrecipXmarkX1true1a__termsNa__sqrmarkNfalsemarksqrXa__sqrmarkXfalsemarkdblXa__dblmarkXfalseAProVEAProVE Commit ID: 48fb2092695e11cc9f56e44b17a92a5f88ffb256 marcel 20180622 unpublished dirty Statistics for single proof: 100.00 % (8 real / 0 unknown / 0 assumptions / 8 total proof steps)http://aprove.informatik.rwth-aachen.deJohnDoe