Contend

Verb

1. To be in opposition; to contest; to dispute; to vie; to quarrel; to fight.
2. To struggle or exert oneself to obtain or retain possession of, or to defend.
3. To be in debate; to engage in discussion; to dispute; to argue.
4. To believe (something is reasonable) and argue (for it); to advocate.

   "In this paper the author contends that no useful results can be obtained if this method is used."

5. To try to cope with a difficulty or problem. .mw-parser-output .object-usage-tag{font-style:italic}.mw-parser-output .deprecated{color:var(--wikt-palette-grey-lime-8,olivedrab)}[with with]