F= = F + “ = ” + 2 Axiom Schemata Axiom Schema 6 x = x. Axiom Schema 7 x = y ⊃ (SzxA ⊃ SzyA) where A is an atomic wff. A first order theory is a first-order theory with equality if it has a binary predicate = such that the wffs above are theorem of the theory
An ICBM with a range of 6500 miles has a stagnation temperature of 12,000 ºF, 2000 ºF hotter than the surface of the sun Calculations showed that the optimum design for structural strength, resistance to heating, and free flight stability was a long, needle nosed reentry body
69 Broadcasting R.C. Dorf, Z. Wan, J.F. Lindsey I, D.F. Doelitzsch, J. Whitaker, M.S. Roden, S. Salek, A. H. Clegg Modulation and Demodulation. Radio. Television Systems. High-Definition Television. Digital Audio Broadcasting