causality – How one process influences another

Circular reporting – Problem in which a source gets info from somewhere, that then uses that source as a reference

Halting problem – Problem of determining whether a given program will finish running or continue forever

Quine (computing) – Self-replicating program

Regress argument – Problem in epistemology that any proposition can be endlessly questioned

Self-reference – Sentence, idea or formula that refers to itself

There's a Hole in My Bucket – Children's song

image circular reference

define circular reference

wikipedia circular reference

weblio circular reference

kotobank circular reference

jisho circular reference