 The proceedings of Altairian trial defy which tenet of the modern western legal system?
Interplanetary ruling. But occasionally a situation arose where the civilization and social practices of the alien victims made it unwise to tamper with them. Altair I had been recognized at once by the Trading Commission as a commercial prize of tremendous value, but early reports had warned of the danger of wildcat trading on the little, musty, jungle-like planet with its shaggy, three-eyed inhabitants—warned specifically against the confidence tactics so frequently used—but there was always somebody, Meyerhoff reflected sourly, who just didn't get the word. They've built up the most confusing and impossible system of barter and trade imaginable, aimed at individual survival, with land as the value behind the credit. Lying is the time-honored tradition, with their entire legal system built around it." They have only the haziest idea what truth represents, and they've shrugged off the idea as impossible and useless." Encroachment on private property is legal grounds for murder on this planet, and twelve of them descended on the same chunk of land at the same time, all armed with title-deeds." "By Interplanetary Rules, they have to give you a trial in Terran legal form—judge, jury, court procedure, all that folderol. They think it's a big joke—after all, what could a judicial oath mean to them?—but they agreed. "At least you've got a courtroom, a judge, and a jury for this mess. Loud, harsh voices were heard as half a dozen of the huge Altairians attempted to push through the door at once. Finally the question of precedent seemed to be settled, and a group of the Altairians filed in, in order of stature, stalking across the room in flowing black robes, pug-nosed faces glowering with self-importance. They descended upon the jury box, grunting and scrapping with each other for the first-row seats, and the judge took his place with obvious satisfaction behind the heavy wooden bench. Finally the judge glared down at Zeckler with all three eyes, and pounded the bench top with a wooden mallet until the roar of activity subsided. The jurymen wriggled uncomfortably in their seats, exchanging winks, and finally turned their attention to the front of the court. Four separate and distinct charges of jail-break and bribery—" The judge pounded the bench for order—"Espionage with the accursed scum of Altair II in preparation for interplanetary invasion."
 a defendant is innocent until proven guilty
 a defendant is innocent until proven guilty  a defendant has a right to due process  no warrant shall be issued without just cause  no one shall be subject to self-incrimination