Cosmology with Phase 1 of the Square Kilometre Array Red Book 2018: technical specifications and performance forecasts por Bacon, DJ, Battye, RA, Bull, P, Camera, S, Ferreira, PG, Harrison, I, Parkinson, D, Pourtsidou, A, Santos, MG, Wolz, L, Abdalla, F, Akrami, Y, Alonso, D, Andrianomena, S, Ballardini, M, Bernal, JL, Bertacca, D, Bengaly, CAP, Bonaldi, A, Bonvin, C, Brown, ML, Chapman, E, Chen, S, Chen, X, Cunnington, S, Davis, TM, Dickinson, C, Fonseca, J, Grainge, K, Harper, S, Jarvis, MJ, Maartens, R, Maddox, N, Padmanabhan, H, Pritchard, JR, Raccanelli, A, Rivi, M, Roychowdhury, S, Sahlen, M, Schwarz, DJ, Siewert, TM, Viel, M, Villaescusa-Navarro, F, Xu, Y, Yamauchi, D, Zuntz, J, Square Kilometre Array Cosmology Science Working Group