Another indicator of the presence of medical waste, which may be used instead of or in addition to the red or orange color code, is the BIOHAZARD symbol. Medical waste from health care facilities must be treated in a way that destroys its potential for causing disease, prior to disposing it in a landfill.
In classical logic disjunctive syllogism (historically known as modus tollendo ponens) is a valid argument form which is a syllogism having a disjunctive statement for one of its premises.
The definition of invective is strong criticism, insults and abusive or insulting language. An example of invective is when someone who is angry starts shouting abusive language and hurtful words at you. inveighing; using, inclined to use, or characterized by strong verbal abuse. Origin of invective.