Symbolic logic and System of logic

Symbolic logic noun - Any logical system that abstracts the form of statements away from their content in order to establish abstract criteria of consistency and validity.

System of logic and symbolic logic are semantically related. In some cases you can use "System of logic" instead a noun phrase "Symbolic logic".

System of logic noun - A system of reasoning.

Symbolic logic and system of logic are semantically related. Sometimes you can replace phrase "Symbolic logic" with "System of logic", this phrases are similar.