To derive a program for a given specification R means Crisps to find an artifact P that satisfies two conditions: P is executable in some programming language; and P is correct with respect to R.Refinement-based program derivation achieves this goal in a stepwise manner by enhancing executability while preserving correctness until we achieve comple
The purpose of the article is to analyze the iconography, to reveal the ideological-conceptual and artistic-stylistic features of the theme of Christmas in the medieval art of Ukraine.The research methodology was based on the art critical and general scientific methods.In the course of studying the sources, the methods of systematization, historica
During the trunk to tail transition the mammalian embryo builds the outlets for the intestinal and urogenital tracts, lays down the primordia for the hindlimb and external genitalia, and switches from the epiblast/primitive streak (PS) to the tail bud as the driver of axial extension.Genetic and molecular data indicate that Tgfbr1 is a key regulato
In family, Pants one of the most important expectations from parents is to educate children in accordance with moral, social, religious, and cultural norms.In Islamic teachings, there are minimum and maximum expectations about educating children.The key question is: what advantages do parents achieve in being aware of parenting process, and what ar
In vitro generation of dendritic-like cells through differentiation of peripheral blood monocytes is typically done using two-dimensional polystyrene culture plates.In the process of optimising cell culture techniques, engineers have developed fluidic micro-devises usually manufactured in materials other than polystyrene and applying three-dimensio