Rufus, Richard See RICHARD RUFUS.

Ross W(illiam) D(avid) (1877–1971), British Aristotelian scholar and moral philosopher. Born...

rule of addition See DISJUNCTION INTRODUCTION.

rule of recognition See HART, JURISPRUDENCE.

rule of law the largely formal or procedural properties of a well-ordered legal...

rule of double negation See DOUBLE NEGATION.

rule of inference See LOGISTIC SYSTEM.

rule of simplification See CONJUNCTION ELIMINA -. TIO.

Rousseau Jean-Jacques (1712–78), Swiss-born French philosopher, essayist, novelist, and musician, best...

Rosmini-Serbati Antonio (1797–1855), Italian philosopher, Catholic priest, counselor to Pope Pius...

rigid designator See MEANING.

rights, legal See RIGHTS.

rights, natural See RIGHTS.

role responsibility See RESPONSIBILITY.

rights, imperfect See GROTIUS.

rights, perfect See RIGHTS.

rigorism the view that morality consists in that single set of...

ring of Gyges a ring that gives its wearer invisibility, discussed in Plato's...

Rosenzweig Franz (1886–1929), German philosopher and Jewish theologian known as one...

Roscelin de Compiègne (c.1050–c.1125), French philosopher and logician who became embroiled in theological...

Rorty Richard (b.1931), American philosopher, notable for the breadth of his...

robot See COMPUTER THEORY.

rigorous duty See DUTY.

rights, Hohfeldian See HOHFELD.

Richard’s paradox See SEMANTIC PARADOXES.

right action See ETHICS.

rights advantageous positions conferred on some possessor by law, morals, rules,...

Ricoeur Paul (b.1913), French hermeneuticist and phenomenologist who has been a...

Rickert, Heinrich See NEO-KANTIANISM.

right of nature See HOBBES.