To explore the relation between mathematical models and reality, four different levels of reality are distinguished: observer-independent reality (to which there is no direct access), personal reality, social reality and mathematical/formal reality. The concepts of personal and social reality are strongly inspired by constructivist ideas. Mathematical reality is social as well, but constructed ...

by Daniela Bertol : Designing Digital Space: An Architect's Guide to Virtual Reality ISBN : #0471146625 | Date : 1996-12-20 Description : PDF-4608d | The Complete Guide to Virtual Reality in Architecture and Design The first in-depth book on virtual reality (VR) aimed specifically at architecture and design professionals, Designing Digital Space steers you skillfully through the learning curve ...

Webster's defines truth as "the property (as of a statement) of being in accord with fact or reality." With historical studies truth is not easily ascertained, for "reality" is the product of historical research into a past that is no longer available. Thus it is a reconstructed reality and always heuristic in its conclusions. Moreover, since all history!writing is interpretive at heart, true o...

Introduction: Emergency contraception is the use of a birth control method after coitus has taken place and there fear that it may lead to pregnancy. Historical attempts were more likely be harmful rather than effective. Oral estrogens, progestins, anti-progesterone, partial agonist/antagonists progesterone have all been used with varying degrees efficacy. Currently ...

Spain occupies a prominent position among the countries with most UNESCO World Heritage Sites. The possibilities offered by application of AR-VR technologies for some these elements’ virtual reconstruction brings great opportunity to give visibility and support transmission cultural heritage, especially in those cases where physical restoration is not possible. It increasingly common find recon...

the existence is a categorical concept according to kant’s philosophy. kant, going to be a subjectivist philosopher, negates the existence as a perfection and concludes the separation between the mind and extra-mental world. but the externality is not an origin which we deny it easily, even if it is faced with multiple problems such as the issue of simplicity and multiplicity and also being his...