dowód.

proof, piece of evidence (that which evinces the realness of something)

Oto dowód na prawdziwość mojej teorii.

Oto dowód mojej niewinności..

proof, piece of evidence (that which evinces the realness of something) evidence (anything admitted by a court to prove or disprove alleged matters of fact in a trial)

proof, piece of evidence (that which evinces the realness of something) evidentiary proceedings

proof, piece of evidence (that which evinces the realness of something) argument (fact or statement used to support a proposition)

proof (document confirming something)

Ten dokument to dowód że mam obywatelstwo polskie.

proof (document confirming something) synonym of dokument

identity document, ID (document which may be used to prove a person's identity)

Zgubiłem swój dowód

proof (series of consecutive sentences proving the validity of some statement)

Oto dowód na prawdziwość tego twierdzenia matematycznego..

attempt (try to achieve one's intention)

leadership; stimulus

school register