Some philosophers deny that the concept of " being " has any meaning at all, since we only define an object's existence by its relation to other objects, and actions it undertakes.

Some philosophers who have had more noteworthy theories are Parmenides, Leucippus, Plato, Aristotle, Augustine, Plotinus, Aquinas, Descartes, Spinoza, Leibniz, Hegel, Heidegger, and Sartre.

Some philosophers believe that Block's two types of consciousness are not the end of the story.

Some philosophers, such as Daniel Dennett in an essay titled The Unimagined Preposterousness of Zombies, argue that people who give this explanation do not really understand what they are saying.

Some philosophers have argued that it is intrinsically unsolvable, because qualities (" qualia ") are ineffable ; that is, they are " raw feels ", incapable of being analyzed into component processes.

Some contemporary philosophers and scientists ( e. g. David Deutsch in The Fabric of Reality ) employ virtual reality in various thought experiments.

Some philosophers think there is an important distinction between " knowing that ," " knowing how ," and " acquaintance-knowledge ," with epistemology primarily interested in the first.

Some philosophers, such as Dennett, reject both epiphenomenalism and the existence of qualia with the same charge that Gilbert Ryle leveled against a Cartesian " ghost in the machine ", that they too are category mistakes.

Some notable philosophers, such as Alasdair MacIntyre, have theorized freedom in terms of our social interdependence with other people.

Some ancient authorities in the doxographic tradition credited the Greek philosophers Pythagoras, in the 6th century BC, and Parmenides, in the 5th, with recognizing that the Earth is spherical.

Some philosophers believe that an object can't persist through a change of parts.

Some philosophers embrace the existence of both kinds of reason, while others deny the existence of one or the other.

Some philosophers argue that Sartre's thought is contradictory.

Some philosophers used to contend that positivism was the theory that there is " no necessary connection " between law and morality ; but influential contemporary positivists, including Joseph Raz, John Gardner, and Leslie Green, reject that view.

Some time afterwards, he chanced upon an old man, possibly a Palestinian or Syrian Christian, in the vicinity of the seashore, who engaged him in a dialogue about God, and spoke of the testimony of the prophets as more reliable than the reasoning of philosophers.

Some analytical philosophers argue that all meaningful empirical questions are to be answered by science, not philosophy.

Some philosophers ( e. g. existentialists, pragmatists ) think philosophy is ultimately a practical discipline that should help us lead meaningful lives by showing us who we are, how we relate to the world around us and what we should do.

Some philosophers of science, such as the neo-positivists, say that natural science rejects the study of metaphysics, while other philosophers of science strongly disagree.

Some philosophers, known as Incompatibilists, view determinism and free will as mutually exclusive.

Some philosophers maintain that moral relativism entails non-cognitivism.

Some of the philosophers are portrayed according to their works.

Some of the earliest recorded speculations linked mind ( sometimes described as identical with soul or spirit ) to theories concerning both life after death, and cosmological and natural order, for example in the doctrines of Zoroaster, the Buddha, Plato, Aristotle, and other ancient Greek, Indian and, later, Islamic and medieval European philosophers.

Some philosophers divide consciousness into phenomenal consciousness, which is subjective experience itself, and access consciousness, which refers to the global availability of information to processing systems in the brain.

Some unicellular species rely entirely on external energy sources and have limited or no photosynthetic apparatus.

Some Allied officers who were acquainted with the superior numbers of the enemy, and aware of their strong defensive position, ventured to remonstrate with Marlborough about the hazards of attacking ; but the Duke was resolute – " I know the danger, yet a battle is absolutely necessary, and I rely on the bravery and discipline of the troops, which will make amends for our disadvantages ".

Some constructions, however, rely on particular regional accents for the rhymes to work.

Some psychiatrists also argue that current diagnostic standards rely on an exaggerated interpretation of neurophysiological findings and so understate the scientific importance of social-psychological variables.

Some hammering methods rely entirely on gravity for acceleration on the down stroke.

Some arguments in favor of partial authenticity rely on the language used in the Testimonim, e. g. that the passage calls Jesus " a wise man " which is not laudatory enough for an interpolator, neither is the reference to " amazing deeds ".

Some lasers do not use an optical cavity, but instead rely on very high optical gain to produce significant amplified spontaneous emission ( ASE ) without needing feedback of the light back into the gain medium.

Some businesses and government organizations rely upon rugged PDAs, sometimes known as enterprise digital assistants ( EDAs ), for mobile data applications.

Some of the protactinium-related dating variations rely on the analysis of the relative concentrations for several long-living members of the uranium decay chain – uranium, thorium and protactinium, for example.

Some paints form by solvent evaporation only, but most rely on cross-linking processes.

Some civilization critics point out that modern societies rely on technology to invent and promote new technology, often resulting in a degree of pro-technology propaganda, and this backpropagation would mean that mankind hands over control to a living machine.

Some of this history, composed more than 500 years after the events, with scant written sources to rely on, may be fictitious reconstruction-nonetheless the influence of Greek ideas on governance is evident in the organisation of the Roman Republic.

Some tongue-twisters produce results which are humorous ( or humorously vulgar ) when they are mispronounced, while others simply rely on the confusion and mistakes of the speaker for their amusement value.

Some receive direct government support, while others rely on private individual or corporate donors.

Some fundamental formulations in the field of general semantics rely heavily on a valuation of extension over intension.

Some low-cost peripherals no longer contain non-volatile memory for firmware, and instead rely on the host system to transfer the device control program from a disk file or CD.

Some jurisdictions may have very detailed and complex rules of the road while others rely more on drivers ' common sense and willingness to cooperate.

Some ectoparasites, such as monogenean worms, rely on direct contact between hosts.

Some subwoofer enclosure designs rely on drivers facing to the sides or to the rear in order to achieve a degree of directionality.

* Electric motors and generators: Some electric motors rely upon a combination of an electromagnet and a permanent magnet, and, much like loudspeakers, they convert electric energy into mechanical energy.

Some pseudo-sciences such as physiognomy, phrenology and palmistry rely on superficial anatomy.

Some commentators, such as Rabbi Hayim Palaggi ( 1788 – 1869 ) argued that Jews had lost the tradition of distinguishing Amalekites from other people, and therefore the commandment of killing them could not practically be applied ("... We can rely on the maxim that in ancient times, Sennacherib confused the lineage of many nations.

Some totalitarian governments, such as the late Soviet Union or the current North Korea, rely on the mechanisms of the police state.

Some other languages rely on a fully external language to define the transformations, such as the XSLT preprocessor for XML, or its statically typed counterpart CDuce.