Book, Paragraph

 1      I,  17|         so is windlessness in the air). Practice is more especially
 2      I,  18|           and windlessness in the air (each being a form of rest),
 3     IV,  5 |          defining (e.g.) wind as "air in motion". Rather, wind
 4     IV,  5 |            wind is "a movement of air": for the same air persists
 5     IV,  5 |    movement of air": for the same air persists both when it is
 6     IV,  5 |         still. Hence wind is not "air" at all: for then there
 7     IV,  5 |           have been wind when the air was not in motion, seeing
 8     IV,  5 |      motion, seeing that the same air which formed the wind persists.
 9     IV,  5 |           the point that wind is "air in motion", yet we should
10      V,  5 |         that it is a property of "air" to be "breathable" has
11      V,  5 |           as, though true of some air, is still not predicable
12      V,  5 |       whole (for the whole of the air is not breathable); and
13      V,  5 |       could not be a property of "air". For constructive purposes,
14      V,  8 |     breathable" is a property of "air" has, on the one hand, rendered
15      V,  8 |         does not exist:-for while air may exist, even though there
16      V,  8 |     constituted as to breathe the air, it is not possible to breathe
17      V,  8 |          either, be a property of air to be such as can be breathed
18      V,  8 |        could not be a property of air.~For constructive purposes,
19     VI,  8 |           as "condensation of the air", or a wind as a "movement
20     VI,  8 |        wind as a "movement of the air"; whereas they ought to
21     VI,  8 | earthquake, nor a movement of the air a wind, irrespective of
22     VI,  14|   composition of fire, earth, and air". For it is not enough to
23    VII,  1 |           is the same as "full of air": for clearly if the air
24    VII,  1 |          air": for clearly if the air be exhausted, the vessel
25    VII,  1 |         will no longer be full of air. So that by a supposition,
26   VIII,  1 |          certain plausibility and air of reasonableness to the
27   VIII,  3 |   discussion about them wears the air of mere sophistry: for to