information:filtering, linguistic:paraphrasing
Constitutional design

Only a small number of supermajority requirements were explicitly included in the original United States Constitution, including conviction on impeachment (two-thirds of senators present), agreeing to a resolution of advice and consent to ratification of a treaty (two-thirds of senators present), expelling a member of Congress (two-thirds of members voting in the house in question), overriding presidential vetoes (two-thirds of members voting of both houses), and proposing constitutional amendments (two-thirds of members voting of both houses), Through negative textual implication, the Constitution also gives a simple majority the power to set procedural rules.