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Porphyry advocates for vegetarianism on both spiritual and ethical grounds, applying arguments from his own school of Neoplatonism to counter those in favor of meat-eating from the Stoic, Peripatetic, and Epicurean schools. Porphyry argues that there is a moral obligation to extend justice to animals because they are rational beings.
While many plants have been used for food, a small number of staple crops including wheat, rice, and maize provide most of the food in the world today. In turn, animals provide much of the meat eaten by the human population, whether farmed or hunted, and until the arrival of mechanised transport, terrestrial mammals provided a large part of the ...
Human food is food which is fit for human consumption, and which humans willingly eat. Food is a basic necessity of life, and humans typically seek food out as an instinctual response to hunger; however, not all things that are edible constitute as human food. Display of various foods. Humans eat various substances for energy, enjoyment and ...
Porphyrian trees by three authors: Purchotius (1730), Boethius (6th century), and Ramon Llull (ca. 1305). In philosophy (particularly the theory of categories), the Porphyrian tree or Tree of Porphyry is a classic device for illustrating a "scale of being" (Latin: scala praedicamentalis), attributed to the 3rd-century CE Greek neoplatonist philosopher and logician Porphyry, and revived through ...
Although about 80 percent of humans' food supply comes from just 20 kinds of plants, [159] humans use at least 40,000 species. [160] Earth's surviving biodiversity provides resources for increasing the range of food and other products suitable for human use, although the present extinction rate shrinks that potential.
Human nutrition deals with the provision of essential nutrients in food that are necessary to support human life and good health. [1] Poor nutrition is a chronic problem often linked to poverty, food security , or a poor understanding of nutritional requirements. [ 2 ]
[44] [45] [46] Anthropomorphism, the attribution of human traits to non-human animals, is an important aspect of the way that humans relate to other animals such as pets. [ 47 ] [ 48 ] [ 49 ] There is a tension between the role of other animals as companions to humans, and their existence as individuals with rights of their own; ignoring those ...
Food biodiversity is defined as "the diversity of plants, animals and other organisms used for food, covering the genetic resources within species, between species and provided by ecosystems." [ 1 ] Food biodiversity can be considered from two main perspectives: production and consumption.