1. Boole, George.

On the Analysis of Discontinuous Functions. 16 pages. [Read 20th July, 1846] / Bound with: On a certain Multiple Definite Integral 10 pages. [Read 13th April, 1846].

First Edition of two papers presented to the Royal Irish Academy. [Dublin / Lincoln], Royal Irish Academy, 1845 – 1846. Quarto. pages 124 – 149 from “The Transactions of the Royal Irish Academy, Volume XXI, Part I, 1846. Modern Softcover. Very good condition with only minor signs of external wear. Very rare extract of the original printed paper.

2. Boole, George.

Of Propositions numerically definite. [Original Offprint]. By the late George Boole, Professor of Mathematics in Queens’s College, Cork. Communicated by A. de Morgan, Esq.

Cambridge, University Press, 1869. 4°. pages 396 – 411 pages. Modern Softcover with original transaction stapled. Excellent condition with only minor signs of external wear. [Transactions of the Cambridge Philosophical Society – Volume XI, Part II].