I. The pursuit of an idea - the discovery of matter, or defining concrete architecture 1. The immaterial and material structure of a work of architecture 1.1. Genesis 1.2. Concrete - a matrix of ideas and a metaphor. Matter and the matter of a work 1.3. The dualism of architectural works. Does concrete architecture exist? 2. Defining concrete space 2.1. The space and matter of architecture 2.2. The void and the massing. The Pantheon - Jahrhunderthalle 2.3. The structure of a work of concrete architecture. Monolithism II. The materialisation of the idea, from inventing to composing in concrete 1. Expressions of form and the evolutions of concrete matter 1.1. The "inventors", "explorers" and "composers" of concrete architecture 2. The objectivity of architecture. The matter of "inventions" 2.1. The truth of matter and the logic of a concrete form. The Dom-ino system 2.2. Prototypes from concrete 3. Innovation. The formativeness of matter57 3.1. Discovery of form - transformation of matter 3.2. Le Raincy - an attempt at aesthetising concrete 3.3. The Raumplan and Plan libre - "generators" of form 3.4. Structural dominance. Brutalism and New Brutalism 3.5. "Unrestrained" monoliths. Oscar Niemeyer's metaphors 4. Fictions, avantgardes and the "dissolution" of matter83 4.1. The fiction of the shape of architecture 4.2. The abstractions and geometries of architecture. "Neutral" and "ideal" concrete 4.3. Metaphors of ideality. Concrete monuments 4.4. Deformations and decompositions. The "complexity" of matter 4.5. Deconstruction of language. Assembling and disassembling matter III. Idealisation of matter, or the impressions of concrete 1. Apologies of concrete 1.1. Idealisation and ideation of concrete 1.2. The aspect of material imagination 1.3. The nature of concrete. The "activity" and "resistance" of matter 1.4. Mythologies and metaphors of concrete. The matter of the absorption of meaning 2. The ethical messages of concrete 2.1. Detail in concrete 2.2. The morality of concrete Brutalism 2.3. "Sacred concrete" 2.4. The matter of collective memory 3. The pure image of concrete 3.1. One idea - one matter 3.2. The experience of matter. "Unblemished" concrete - "primal" concrete