Under those definitions, isn't most of "socialist Europe" not really socialist? I mean a lot of countries have got a safety net and welfare programs and all that which seemingly are standardized, not indexed to your previous income. So you pay in with taxes that are based on what you make (and thus you contribute based on ability).
Or is the idea that you keep a portion of your pay after taxes the "receives based on contribution" portion?
Or is the idea that you keep a portion of your pay after taxes the "receives based on contribution" portion?