The lack of structure of knowledge

For a long time philosophers have struggled to reach a definition of knowledge that is fully satisfactory from an intuitive standard.However, what could be so fuzzy about the concept of knowledge that it makes our intuitions to not obviously support a single analysis? One particular approach from a naturalistic perspective treats this question from

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Visualization of blood vessels by corrosion technique

Corrosion technique is one of the basic and widely used methods of visualization of vascularization of organs in the anatomy of humans and animals.It consists in filling vascular (blood or lymph), wires or cavernous organs material, e.g., injection.Mass based on wax or putty material based on rubber, synthetic resin and subsequently etching the sof

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