"The conception of metaphor in cognitive linguistics contradicts the conception of metaphor in literary studies in fundamental ways: Metaphor is not a stylistic device, but an experiential and cognitive process, in which we use properties, relations, and entities that characterize one domain of experience and/or knowledge (source domain) to understand, think, plan, and talk about a second domain (target domain) that is different in kind from the first. 
According to CMT [conceptual metaphor theory], source domains come from everyday bodily perception and movement. They are grounded in embodied experience (grounding hypothesis). Source domains are needed to make sense of target domains. By definition, a conceptual metaphor is a unidirectional mapping across cognitive domains. The mappings are tightly structured and structure from a source domain is (partially) mapped onto a target domain. The mapping is highly selective, as there are ontological correspondences according to which entities in the source domain (agents, objects, trajectories and so forth) systematically correspond to entities in the target domain. The point is, that we do not copy structure from SD [source domains] to TD [target domains], but we import whole sets of knowledge / inferences / entailments from the source domain into the target domain. The mapping does not work according to an arbitrary rule, but it is a tightly packed, highly selective and constrained process that allows us to reason about abstract domains. "
(Alexandra Jandausch, 2012)
 Lakoff, George (1997): "Women, Fire, and Dangerous Things: What Categories Reveal about the Mind". Chicago: University of Chicago Press.
Jandausch, A. (2012). "Conceptual Metaphor Theory and the Conceptualization of Music". 5th International Conference of Students of Systematic Musicology. Montreal, Canada.
Fig.1. The Roy Castle Lung Cancer Foundation, Passive Smoking: Shotgun [http://adsoftheworld.com/media/print/the_roy_castle_lung_cancer_foundation_passive_smoking_shotgun].
[The source domain in the following image refers to the concept of a shotgun, which through its mapping onto the target domain of the cigarettes communicates the idea that smoking kills.]
"The resource covers basic logic and faulty arguments, developing student's critical thinking skills. Suitable for year 8–10, focused on science issues, the module can be adapted to suit classroom plans."
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"What is the function of abductive inference? For [Charles Sanders] Peirce it is 'the process of forming an explanatory hypothesis. It is the only logical operation which introduces any new idea; for induction does nothing but determine a value, and deduction merely evolves the necessary consequences of a pure hypothesis. Deduction proves that something must be; induction shows that something actually is operative; abduction merely suggests that something may be' (CP 5.171, cf 1991a, p.333). Abduction may thus be conceived of as a principle that allows us to reconstruct how conceptual order is achieved through the imposition of a hypothesis (in the form of a minimal theory, an idea, a rule or a law–like hypothesis) – which inaugurates constructivist thinking. Here I can only hint at the great variability of this schema; it enables us to bridge the traditional gap between the arts and the sciences because it can be used as a model both of explanation and of understanding."
(Hans Rudi Fischer, pp. 368, 2001)
Peirce, Charles Sanders (CP). (1931–35, 1958) "Collected Papers of Charles Sanders Peirce". Bd. I–VI (1931–34) ed by Ch. Hartshorne and P. Weiss. Vol. VII–VIII (1958) ed. By A.W. Burks. Cambridge, Massachusetts/London.
Peirce, Charles Sanders (1991a), Naturordnung und Zeichenprozeß. Schriften über Semiotik und Naturphilosophie. Hrsg. und eingeleitet von Helmut Pape. Frankfurt/Main, Suhrkamp.
Foundations of Science, special issue on "The Impact of Radical Constructivism on Science", edited by A. Riegler, 2001, vol. 6, no.4: 361–383. "Abductive Reasoning as a Way of Worldmaking", Hans Rudi Fischer, Heidelberger Institut für systemische Forschung und Therapie, Kussmaulstr. 10, D–69120 Heidelberg, Germany.