Synonyms for Logical argument:

• n.

  •argumentation (noun)
  • argumentation.
  •dialectic (noun)
  • deduction,
  • contention,
  • forensic,
  • debate,
  • ratiocination,
  • discussion,
  • question-and-answer method,
  • Mooting,
  • Polemics,
  • persuasion,
  • disputation.

• Other synonyms:

  •n.
  • abstract thought,
  • dialectic,
  • logical thinking,
  • reasoning.