Bread machine as will any dough with unusually large amounts of liquid (such as ciabatta). Generally, homemade bread goes stale faster than bread from a commercial baker because the former does not include preservatives. However, it is possible (though a bit more difficult) to use a natural leaven or a pre-ferment in breadmaker dough recipes if the starter is sufficiently fast to rise. Sourdough contains a symbiotic culture of yeast and lactobacteria; the yeast provides some flavor as well as carbon dioxide to provide lift, while lactic acid produced by sourdough's lactobacteria greatly preserves bread, as well as affecting its flavor, while
Mental substance (2.002). He used a more precise definition of the word "substance" than is currently popular: that a substance is something which can exist without the existence of any other substance. For many philosophers, this word or the phrase "mental substance" has a special meaning. Gottfried Leibniz, belonging to the generation immediately after Descartes, held the position that the mental world was built up by monads, mental objects that are not part of the physical world (see "Monadology"). Mental substance Mental substance is the idea held by dualists and idealists, that minds are made-up of non-physical substance. This substance is often