duality
unity of two often opposite but complementary concepts, qualities, aspects or other entities
beginning and end
binary opposition
life and death
literary theme
recto and verso
"front" and "back" sides of a leaf of paper
good and evil
dichotomy in religion, ethics, and philosophy
prejudice (legal)
level of finality of an action or decision, e.g. legal judgement or dismissal from a job
beauty and ugliness
literary theme
day and night
literary theme
Apollonian and Dionysian
terms representing a dichotomy/dialectic between rationality and emotion
yin and yang
concept of dualism and complementarity in Chinese philosophy, cosmology, traditional medicine, fengshui, and protoscience, opposing “yang“ (for solar, masculine, active, warm) with “yin“ (for lunar, feminine, passive, cool)
light and darkness
metaphorical contrast of white and black
false positives and false negatives
types of error in data reporting, where false positive is an error in which a test result incorrectly indicates the presence of a condition, while a false negative is the opposite error where the test fails to indicate the actual presence
art and nature
literary theme
right- and left-hand traffic
directionality of traffic flow, varies by national traffic laws
abstract and concrete
classifications that denote whether a term describes an object with a physical referent or one with no physical referents
subject and object
philosophy terms referring to an observer versus the thing observed