?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=SYMMETRIES+IN+IMAGES+ON+ANCIENT+SEALS&rft.creator=Sparavigna%2C+Dr.+Amelia&rft.subject=Morphology&rft.subject=Philosophy+of+Language&rft.description=In+this+paper%2C+we+discuss+the+presence+of+symmetries+in+images+engraved+on+ancient+seals%2C+in+particular+on+stamp+seals.+Mainly+used+to+secure+the+containers+from+tampering+and+for+owner's+identification%2C+these+objects+appeared+during+the+5th+millennium+BC+in+Mesopotamia.+Usually+the+seals+were+engraved+with+simple+images%2C+suitable+to+communicate+an+immediate+information.+Rotational+symmetries+are+already+displayed+by+the+most+ancient+stamp+seals%2C+whose+images+reach+a+quasi-perfect+symmetry+in+their+small+circular+or+ovoid+spaces.+Bilateral+symmetries+are+quite+common+in+Egyptian+scarab+seals.&rft.date=2008-09-21&rft.type=Other&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6275%2F1%2FSYMMETRIES_IN_IMAGES_ON_ANCIENT_SEALS.pdf&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6275%2F2%2FSYMMETRIES_IN_IMAGES_ON_ANCIENT_SEALS.pdf&rft.identifier=++Sparavigna%2C+Dr.+Amelia++(2008)+SYMMETRIES+IN+IMAGES+ON+ANCIENT+SEALS.+++++(Unpublished)++&rft.relation=http%3A%2F%2Fcogprints.org%2F6275%2F