The herald blew his trumpet and shouted that the King was dead.

For phenomenology, the central feature of experience is a structure called intentionality, which correlates all things experienced with the mode of experience to which the experience is referenced.

My nose always gets itchy the moment I put on my face mask.

In this paper we show that the previously introduced operators for obtaining triconcepts and maximal connected and complete sets (MCCS) are not always consistent and provide the reader with a definition of valid closure operator and associated set system..