the mind > attention and judgement > testing > debate, disputation, argument > academic or public disputation > debate publicly [verb (intransitive)] > oppose a thesis (3)
intransitive. To put objections or (esp. hard or searching) questions; spec. to put forward objections to a philosophical or theological thesis, esp…
Oxford University. To oppose a thesis in the Schools. Obsolete.
intransitive. To contend or stand in opposition; spec. to speak as defender or opponent in a debate (cf. oppose, v. 1b). Obsolete.