Quote:
Originally posted by RiverPig:
The hovercraft scenario is stupid it is different forces acting...Thats like saying if a plane is flying at 5,000 feet and somebody turns on a treadmill does the plane go backwards


Actually, it's not different forces. Not if you put those free running wheels on the hovercraft.

Quote:
.....The ice skating one I haven't read and dont feel like searching for
Ah...too lazy to admit you're wrong, then.
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"Nature has constituted utility to man the standard and test of virtue. Men living in different countries, under different circumstances, different habits and regimens, may have different utilities; the same act, therefore, may be useful and consequently virtuous in one country which is injurious and vicious in another differently circumstanced" - Thomas Jefferson, moral relativist