A feeling of certainty; firm trust or belief; faith.
Information held in secret; a piece of information shared but to thence be kept in secret.
Self-assurance.
A difficult circumstance or problem.
A type of syllogism of the form "if A is true then B is true; if C is true then D is true; either A or C is true; therefore either B or D is true".
A circumstance in which a choice must be made between two or more alternatives that seem equally undesirable.
Offering to an opponent a choice between two (equally unfavorable) alternatives.