Praxis is action that is its own point — and, in Marx, the test that theory has to pass.
No single coiner. Ordinary Greek vocabulary technicalised by Aristotle and re-technicalised by Marx in a different sense.
// Where it sits
Both major users of the word denied that the second is downstream of the first.
What it really means
Praxis is almost always explained as putting theory into practice — theory first, application second, the word naming the second half. Both of the traditions that made it a technical term reject that ordering.
Aristotle's version is a category distinction, not a sequence. He separates three things: theoria, contemplation; poiēsis, making something that exists afterwards; and praxis, action whose end is the acting itself. Building a chair produces a chair. Acting well produces nothing except having acted well — in ethical deliberation, as he puts it, there is no external end, because the good action is the end. Praxis isn't applied theory. It's a different kind of thing.
Marx re-technicalised it, and his version is epistemological before it's political. Thesis I of the Theses on Feuerbach objects that reality has been conceived only as an object of contemplation, rather than as sensuous human activity. Thesis VIII goes further: all mysteries which lead theory to mysticism find their rational solution in human practice. Practice isn't where theory gets applied — it's where theory gets settled.
And there's a detail about the most famous line that's worth knowing. Thesis XI — the philosophers have only interpreted the world, in various ways; the point is to change it — was written in 1845 and sat unpublished until Engels printed it in 1888, forty-three years later. The most quoted sentence in the history of practical philosophy spent four decades in a notebook.
Where it comes from
The same verb gives pragma, 'a thing done', and hence pragmatic and pragmatism. Compare the Latin-derived doublet 'practice' — same territory, but English 'practice' has drifted toward rehearsal and routine, exactly the wrong connotation.
Myths & misconceptions
Praxis means putting theory into practice — theory first, application second.
Both of its major senses refuse that sequence. For Aristotle praxis is a distinct category of activity, not the applied tail of theoria. For Marx, practice is the criterion rather than the sequel: Thesis VIII reads 'All social life is essentially practical. All mysteries which lead theory to mysticism find their rational solution in human practice and in the comprehension of this practice.'
Praxis is Marx's word for manual labour or activism.
The Marxian point is epistemological before it's political. Thesis I complains that reality is conceived only in the form of the object or of contemplation, but not as sensuous human activity. And Thesis XI — 'The philosophers have only interpreted the world, in various ways; the point is to change it' — is a claim about what philosophy is for, written in 1845 and unpublished until 1888.
Compare & contrast
Praxis vs theory
Usually posed as a pair where theory leads and practice follows. Both traditions invert it — Aristotle by making praxis a separate kind of activity with its own end, Marx by making practice the place where theoretical mysteries find their rational solution. The hierarchy everyone assumes is the thing the word was built to challenge.
| // | Praxis | Theory |
|---|---|---|
| Comes | First, or alongside | Assumed first |
| For Aristotle | Its own category | Separate |
| For Marx | The criterion | Tested by it |
| Has an external product | No | No |
How it connects
- Phronesisthe capacity praxis requires — deliberating well about what to do.
- Existentialismboth hold that you are what you do rather than what you contemplate.
Tell it apart
Questions people ask
- What does praxis mean?
- Action — and specifically, in Aristotle, action chosen for its own sake, as opposed to poiēsis, production aimed at something external, and theoria, contemplation. The distinguishing feature: in ethical deliberation there is no external end, since good action is itself the end. Making a chair has a product; acting well does not.
- What is Marx's theory of praxis?
- That practical activity, not contemplation, is where humans make themselves and their world — and where theory is tested. Thesis I of the Theses on Feuerbach objects that reality is conceived only in the form of the object or of contemplation, but not as sensuous human activity. Thesis VIII adds: 'All social life is essentially practical.'
- Who said 'the philosophers have only interpreted the world'?
- Marx, in Thesis XI of the Theses on Feuerbach: 'The philosophers have only interpreted the world, in various ways; the point is to change it.' He wrote the theses in spring 1845; Engels published them in 1888, forty-three years later. The line is carved on Marx's gravestone.