The utilization of social media material in journalistic workflows is increasing, demanding automated methods for the identification of misand disinformation. Since textual contradiction across social media posts can be a signal of rumorousness, we seek to model how claims in Twitter posts are being textually contradicted. We identify two different contexts in which contradiction emerges: its b...

It was in 1911 that Łukasiewicz and Leśniewski met. Leśniewski himself reported that at that time he had read Łukasiewicz’s masterpiece On the Principle of Contradiction in Aristotle (1910), and, as Lejewski knew from Łukasiewicz, he said he had come to criticize the author. In the same year Leśniewski wrote “An Attempt at a Proof of the Principle of Contradiction”, which was published in 1912 ...

In the recent review of the literature by Loreti et al., 1 the authors demonstrate the contradictory situation regarding the scientific documentation for using laser phototherapy (LPT) to improve wound healing. Although 557 studies were identified from 2008 up to today, only 31 of these had a score of 3 or more on the Jadad scale. And merely three of these were clinical studies. Therefore, alth...

The nature of mankind is a concern for those in need. Disasters, both natural and manmade, have been with us since the beginning of recorded history but media coverage of them is a relatively new phenomenon. When these factors come together, there is great potential to both identify and serve the sick and injured. However, the mass media by its nature tends to enhance the humanistic aspect of r...

The efficient use of grass" By W. F. RAYMOND, The Grassland Research Institute, Hurley, Berks. The output of animal products from grassland depends on the quantity and quality of herbage produced, and on the efficiency of utilization of this herbage by the animal; these factors interact, herbage production being affected by method and intensity of use, and efficiency of utilization by the overa...