93 ideas
21970 | Philosophy attains its goal if one person feels perfect accord between their system and experience [Fichte] |
11051 | Frege's logical approach dominates the analytical tradition [Hanna] |
11054 | Scientism says most knowledge comes from the exact sciences [Hanna] |
5750 | Consistency is modal, saying propositions are consistent if they could be true together [Melia] |
22024 | Fichte's subjectivity struggles to then give any account of objectivity [Pinkard on Fichte] |
6912 | For Fichte there is no God outside the ego, and 'our religion is reason' [Fichte, by Feuerbach] |
23247 | The need to act produces consciousness, and practical reason is the root of all reason [Fichte] |
23232 | Sufficient reason makes the transition from the particular to the general [Fichte] |
11070 | 'Denying the antecedent' fallacy: φ→ψ, ¬φ, so ¬ψ [Hanna] |
11071 | 'Affirming the consequent' fallacy: φ→ψ, ψ, so φ [Hanna] |
11088 | We can list at least fourteen informal fallacies [Hanna] |
11059 | Circular arguments are formally valid, though informally inadmissible [Hanna] |
11089 | Formally, composition and division fallacies occur in mereology [Hanna] |
5737 | Predicate logic has connectives, quantifiers, variables, predicates, equality, names and brackets [Melia] |
5744 | First-order predicate calculus is extensional logic, but quantified modal logic is intensional (hence dubious) [Melia] |
11058 | Logic is explanatorily and ontologically dependent on rational animals [Hanna] |
11072 | Logic is personal and variable, but it has a universal core [Hanna] |
11061 | Intensional consequence is based on the content of the concepts [Hanna] |
22017 | Normativity needs the possibility of negation, in affirmation and denial [Fichte, by Pinkard] |
5740 | Second-order logic needs second-order variables and quantification into predicate position [Melia] |
5741 | If every model that makes premises true also makes conclusion true, the argument is valid [Melia] |
11063 | Logicism struggles because there is no decent theory of analyticity [Hanna] |
11055 | Supervenience can add covariation, upward dependence, and nomological connection [Hanna] |
5736 | No sort of plain language or levels of logic can express modal facts properly [Melia] |
5735 | Maybe names and predicates can capture any fact [Melia] |
23227 | Each object has a precise number of properties, each to a precise degree [Fichte] |
23228 | The principle of activity and generation is found in a self-moving basic force [Fichte] |
5746 | The Identity of Indiscernibles is contentious for qualities, and trivial for non-qualities [Melia] |
5738 | We may be sure that P is necessary, but is it necessarily necessary? [Melia] |
11083 | A sentence is necessary if it is true in a set of worlds, and nonfalse in the other worlds [Hanna] |
5732 | 'De re' modality is about things themselves, 'de dicto' modality is about propositions [Melia] |
11086 | Metaphysical necessity can be 'weak' (same as logical) and 'strong' (based on essences) [Hanna] |
11084 | Logical necessity is truth in all logically possible worlds, because of laws and concepts [Hanna] |
11085 | Nomological necessity is truth in all logically possible worlds with our laws [Hanna] |
5739 | Sometimes we want to specify in what ways a thing is possible [Melia] |
22018 | Necessary truths derive from basic assertion and negation [Fichte, by Pinkard] |
5734 | Possible worlds make it possible to define necessity and counterfactuals without new primitives [Melia] |
5742 | In possible worlds semantics the modal operators are treated as quantifiers [Melia] |
5743 | If possible worlds semantics is not realist about possible worlds, logic becomes merely formal [Melia] |
5749 | Possible worlds could be real as mathematics, propositions, properties, or like books [Melia] |
5751 | The truth of propositions at possible worlds are implied by the world, just as in books [Melia] |
22062 | Mental presentation are not empirical, but concern the strivings of the self [Fichte] |
22015 | The thing-in-itself is an empty dream [Fichte, by Pinkard] |
22064 | Fichte's logic is much too narrow, and doesn't deduce ethics, art, society or life [Schlegel,F on Fichte] |
21973 | Fichte believed in things-in-themselves [Fichte, by Moore,AW] |
21914 | We can deduce experience from self-consciousness, without the thing-in-itself [Fichte] |
23241 | I am myself, but not the external object; so I only sense myself, and not the object [Fichte] |
22032 | Fichte's key claim was that the subjective-objective distinction must itself be subjective [Fichte, by Pinkard] |
20951 | The absolute I divides into consciousness, and a world which is not-I [Fichte, by Bowie] |
21964 | Reason arises from freedom, so philosophy starts from the self, and not from the laws of nature [Fichte] |
21968 | Abandon the thing-in-itself; things only exist in relation to our thinking [Fichte] |
21966 | Self-consciousness is the basis of knowledge, and knowing something is knowing myself [Fichte] |
21967 | There is nothing to say about anything which is outside my consciousness [Fichte] |
21969 | Awareness of reality comes from the free activity of consciousness [Fichte] |
23231 | I immediately know myself, and anything beyond that is an inference [Fichte] |
11077 | Intuition includes apriority, clarity, modality, authority, fallibility and no inferences [Hanna] |
11080 | Intuition is more like memory, imagination or understanding, than like perception [Hanna] |
23246 | Faith is not knowledge; it is a decision of the will [Fichte] |
11078 | Intuition is only outside the 'space of reasons' if all reasons are inferential [Hanna] |
23245 | Knowledge can't be its own foundation; there has to be regress of higher and higher authorities [Fichte] |
11053 | Explanatory reduction is stronger than ontological reduction [Hanna] |
23242 | Consciousness has two parts, passively receiving sensation, and actively causing productions [Fichte] |
22020 | We only see ourselves as self-conscious and rational in relation to other rationalities [Fichte] |
23240 | We can't know by sight or hearing without realising that we are doing so [Fichte] |
11081 | Imagination grasps abstracta, generates images, and has its own correctness conditions [Hanna] |
22060 | The Self is the spontaneity, self-relatedness and unity needed for knowledge [Fichte, by Siep] |
22066 | Novalis sought a much wider concept of the ego than Fichte's proposal [Novalis on Fichte] |
22016 | The self is not a 'thing', but what emerges from an assertion of normativity [Fichte, by Pinkard] |
23243 | Consciousness of external things is always accompanied by an unnoticed consciousness of self [Fichte] |
22019 | Consciousness of an object always entails awareness of the self [Fichte] |
22063 | Effective individuals must posit a specific material body for themselves [Fichte] |
23244 | Forming purposes is absolutely free, and produces something from nothing [Fichte] |
23237 | The capacity for freedom is above the laws of nature, with its own power of purpose and will [Fichte] |
23235 | I want independent control of the fundamental cause of my decisions [Fichte] |
21965 | Spinoza could not actually believe his determinism, because living requires free will [Fichte] |
23230 | Nature contains a fundamental force of thought [Fichte] |
11082 | Should we take the 'depictivist' or the 'descriptivist/propositionalist' view of mental imagery? [Hanna] |
11067 | Rational animals have a normative concept of necessity [Hanna] |
11068 | One tradition says talking is the essence of rationality; the other says the essence is logic [Hanna] |
11047 | Hegelian holistic rationality is the capacity to seek coherence [Hanna] |
11048 | Humean Instrumental rationality is the capacity to seek contingent truths [Hanna] |
11046 | Kantian principled rationality is recognition of a priori universal truths [Hanna] |
22061 | Judgement is distinguishing concepts, and seeing their relations [Fichte, by Siep] |
11045 | Most psychologists are now cognitivists [Hanna] |
5748 | We accept unverifiable propositions because of simplicity, utility, explanation and plausibility [Melia] |
23233 | The will is awareness of one of our inner natural forces [Fichte] |
23234 | I cannot change the nature which has been determined for me [Fichte] |
23239 | The self is, apart from outward behaviour, a drive in your nature [Fichte] |
22023 | Fichte's idea of spontaneity implied that nothing counts unless we give it status [Fichte, by Pinkard] |
23238 | If life lacks love it becomes destruction [Fichte] |
23236 | Freedom means making yourself become true to your essential nature [Fichte] |
23229 | Nature is wholly interconnected, and the tiniest change affects everything [Fichte] |
22065 | Fichte reduces nature to a lifeless immobility [Schlegel,F on Fichte] |