0 7 ▁issue ▁of ▁the ▁IE EE ▁Comput ational ▁Int elligence ▁Magazine ▁is ▁a ▁special ▁issue ▁that ▁is ▁about ▁type - 2 ▁f uz zy ▁sets ▁and ▁systems . ▁This ▁issue ▁contains ▁articles ▁( see ▁the ▁reference ▁list ▁below ) ▁about : ▁ ▁The ▁history ▁of ▁type - 2 ▁f uz zy ▁logic , ▁by ▁Bob ▁John ▁and ▁Simon ▁Cou pl and ▁ ▁Type - 2 ▁f uz zy ▁logic ▁controllers , ▁by ▁H ani ▁H ag ras ▁ ▁F uz zy ▁clust ering ▁using ▁type - 2 ▁f uz zy ▁sets , ▁by ▁Frank ▁R he e ▁ ▁Hard ware ▁implementation ▁for ▁a ▁type - 2 ▁f uz zy ▁system , ▁by ▁Miguel ▁Mel g are jo ▁ ▁See ▁also ▁▁ ▁Comput ational ▁intelligence ▁ ▁Ex pert ▁system ▁ ▁F uz zy ▁control ▁system ▁ ▁F uz zy ▁logic ▁ ▁F uz zy ▁set ▁ ▁Gran ular ▁computing ▁ ▁Per cept ual ▁Comput ing ▁ ▁R ough ▁set ▁ ▁So ft ▁set ▁ ▁V ag uen ess ▁ ▁Random - f uz zy ▁variable ▁ ▁References ▁ ▁External ▁links ▁There ▁are ▁two ▁IE EE ▁Ex pert ▁Now ▁multi - media ▁modules ▁that ▁can ▁be ▁accessed ▁from ▁the ▁IE EE ▁at : ▁http :// www . ie ee . org / web / ed uc ation / Ex pert _ Now _ IE EE / C atalog / AI . html ▁ ▁" Introduction ▁to ▁Type - 2 ▁F uz zy ▁S ets ▁and ▁Systems " ▁by ▁Jerry ▁M end el , ▁spons