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MCS,PHD Argosy University/ Phoniex University/ Nov-2005 - Oct-2011
Professor Phoniex University Oct-2001 - Nov-2016
Show that the class P, viewed as a set of languages, is closed under union, inter-section, concatenation, complement, and Kleene star. That is, if L1, L2 ? P, then L1 ? L2 ? P, etc.
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Hel-----------lo -----------Sir-----------/Ma-----------dam-----------Tha-----------nk -----------You----------- fo-----------r u-----------sin-----------g o-----------ur -----------web-----------sit-----------e a-----------nd -----------and----------- ac-----------qui-----------sit-----------ion----------- of----------- my----------- po-----------ste-----------d s-----------olu-----------tio-----------n.P-----------lea-----------se -----------pin-----------g m-----------e o-----------n c-----------hat----------- I -----------am -----------onl-----------ine----------- or----------- in-----------box----------- me----------- a -----------mes-----------sag-----------e I----------- wi-----------ll