dagger function; Daly Mary; darii; Darwin Charles; dasein; data; data abstraction; database; database normalisation; data dictionary; data dictionary file; data flow; data flow analysis; Data Flow Diagram; data glove; datagram; data hierarchy; data mining; data model; data modeling; data modelling; data processing; data rate; data striping; data type; data warehouse; data warehousing; datisi; Davidson Donald; Day Dorothy; decidability; decidable; decidable system; decidable wff; decidibility; decision problem; decision procedure; decision theory; deconstruction; Dedekind J.W. Richard; de dicto - de re; deduction; deduction - induction; deduction theorem; deductive apparatus; deductive tableau; de facto - de jure; de facto standard; definite clause; definite description; definite sentence; definition; degrees of freedom; deism; de jure; Delaunay triangulation; Deleuze Gilles; delta reduction; democracy; Democritus; De Morgan Augustus; DeMorgan's theorem; Dennett Daniel C.; denotational semantics; denotation - connotation; denumerable set; denying the antecedent; deontologism; deontology; de re; derivation; Derrida Jacques; Descartes Rene; descent function; descriptive ethics; descriptive ethics; descriptivism; design; design - argument from; determinable - determinate; determinism; deterministic; deterministic automaton; Dewey John; d'Holbach Paul-Henri-Dietrich; dialectic; dialectical materialism; dianoia; Dictionary of Philosophy of Mind; Diderot Denis; Difference Engine; difference equation; difference method of; difference of sets; digital; dike; dilemma; Dilthey Wilhelm; dimaris; ding an sich; Diogenes; Diophantine equation; directed graph; directed set; directive use of language; direct realism; disamis; discriminated union; disjoint sets; disjoint union; disjunct; disjunction; disjunctive normal form (DNF); disjunctive syllogism; disposition; distributed memory; distributed representation; distributed system; distributed systems; distribution of terms; distributive lattice; diverge; divine command theory; division - fallacy of; divisor; DNA computing; DNF; doctrine of pre-established harmony; document; dogmatism; dolors; domain; Domain Analysis; domain architecture; domain engineering; domain maturity; domain model; domain selection; domain-specific language; domain theory; double aspect theory; double negation; doubt - method of; doxa; doxastic; dual; dual-aspect theory; dualism; Du Bois William Edward Burghardt; Duhem Pierre M.M.; Dummett Michael A.E.; Durkheim Emile; duty; Dworkin Ronald Myles; dynamical systems theory; dynamicism; dynamic systems theory; dynamis; dynamism;