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After considering the pervasiveness of same/different relationships in Psychology and the experimental evidence of their perceptual foundation in Psychophysics and Infant and Comparative Psychology, the paper develops its main argument. Similarity and diversity do not complete the panorama since opposition constitutes a third relationship which is distinct from the other two. There is evidence of this in previous literature investigating the perceptual basis of opposition and in the results of the two new studies presented in this paper.

Asaba specialist hospital website was originally designed by Enyi Francis in 2019 as a pro bono service in support of the Delta state government, and the hospital. It has since been  handed over to the hospital's ICT department for management. The original resources used for the design of the website is stored in this data port for reference purposes. In the original version, various tools were used to accomplish the design.

Entanglement between quantum network nodes is often produced using intermediary devices
- such as heralding stations - as a resource. When scaling quantum networks to many nodes, requiring
a dedicated intermediary device for every pair of nodes introduces high costs. Here, we propose a cost-
effective architecture to connect many quantum network nodes via a central quantum network hub called
an Entanglement Generation Switch (EGS). The EGS allows multiple quantum nodes to be connected at a

In Nigeria, access to proper medical services is not only costly but also not readily available. We are faced with different problems that require immediate attention (first-aid) to save life before we can get access to proper medical attention from professionals in hospitals and clinics which may be some miles away from our location at that instant. A lot of us do not know how to administer First-Aid in different circumstances that we find ourselves.