Q. E. D.

QED English Phrase phr 1 en Q.E.D. initialism of quod erat demonstrandum. II XIX 168 If death, ſaid my father, reaſoning with himſelf, is nothing but the ſeparation of the ſoul from the body;—and if it is true that people can walk about and do their buſineſs without brains,—then certes the ſoul does not inhabit there. Q. E. D. en w:Benjamin Donn An Essay on Plane Geometry The Geometrician: Containing Essays on Plane Geometry, and Trigonometry:With the Application to the Solutions of a Variety of Problems, with are of Great Use in Measuring Heights and Distances of Places, Surveying of Counties, Sea-coasts, &c. 2nd London Sold by J[oseph] Johnson,in St. Paul’s Church-Yard. 1775 book I (The Introduction), paragraph 59 10 https://books.google.com/books?id=gKk2AAAAMAAJ&pg=RA1-PA10 23635601 Theorem 2. The Angles , , at the Baſe of an Iſoceles Triangle , are equal to each other; and a Line biſecting the Angle , divides the Baſe into two equal Parts, and is perpendicular thereto. For becauſe the Line biſects the , that is, makes the , and Side is , and common to both, the ; , and ; to . Q. E. D. IV VI 120 Ergo, Reuben Butler might take possession of the parish of Knocktarlitie, without forfeiting his friendship or favour—Q. E. D. en w:Daniel Waterland A Second Defence of Some Queries Relating to Dr. Clarke’s Scheme of the Holy Trinity: In Answer to the Country Clergyman’s Reply The Works of the Rev. Daniel Waterland, D.D.formerly Master of Magdalene College, Cambridge, Canon of Windsor, and Archdeacon of Middlesex; now First Collected and Arranged. To which is Prefixed, A Review of the Authors Life and Writings, by William van Mildert, D.D. Lord Bishop of Llandaff. Oxford, Oxfordshire At the Clarendon Press 1823 III query III 165 https://books.google.com/books?id=D4YNAAAAQAAJ&pg=PA165 957692334 [I]f the Son [of God] be in nature equal to the Father, he is also equal in Godhead, which is a word expressing nature; and if equal in Godhead, equally God supreme. Q. E. D. Noun ? Q. E. D. en Q.E.D. some fact or scenario that proves an argument or proposition. en G. D. Yeats Account of Ann Fooks’s Case of Ischuria and Vomiting of Urine Samuel Fothergill; John Want The Medical and Physical Journal London Published for the proprietors, by J. Adlard,23, Bartholomew-Close, and 39, Duke-Street, Smithfield; and sold by J. Souter,No. 1, Paternoster-Row. February 1814 XXXI, part 2 180 122 https://books.google.com/books?id=HRAUAAAAQAAJ&pg=PA122 1051228262 This was exactly the Q. E. D. of the paper. en William Magee Supplement to the Remarks on the Unitarian Version of the New Testament Discourses and Dissertations on the Scriptural Doctrines of Atonement & Sacrifice;and on the Principal Arguments Advanced, and the Mode of Reasoning Employed, by the Opponents of Those Doctrines as Held by the Established Church: With an Appendix, Containing Some Strictures on Mr. Belsham’s Account of the Unitarian Scheme in His Review of Mr. Wilberforce’s Treatise: Together with Remarks on the Version of the New Testament lately Published by the Unitarians. Philadelphia, Pa. S. Potter & Co.No. 115, Chestnut Street.; Jesper Harding, printer 1825 II footnote 266 https://books.google.com/books?id=moEtAAAAYAAJ&pg=PA266 191255594 The Unitarian might therefore here easily produce his Q. E. D. for the exclusion of all but the maintainers of Christ's proper humanity from the pale of Christianity. en “Anglicanus” [pseudonym] Letter III View of the Character, Position, and Prospects, of the Edinburgh Bible Society. In Seven Letters Edinburgh Printed for Brown & Wardlaw,16 St Andrew Street; and sold by M. Ogle,W. Collins, and Wardlaw & Co. Glasgow; and James Duncan, J. Hatchard & Son, and B. J. Holdsworth, London. 1827 24 https://books.google.com/books?id=VN4HAAAAQAAJ&pg=PA24 1062258796 Whoever starts a doubt as to the validity of any of those allegations to which he has set his Q. E. D. is indicted as a disturber of the peace. Anagrams en deq DEQ