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Verification of Parameterised FPGA Circuit Descriptions with Layout ...

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APPENDIX D. CIRCUIT LAYOUT CASE STUDIES 281<br />

apply (auto intro: sum_ge0 maxf_ge0 sum_ge0_frange maxf_ge0_frange z_aleq_bc eq.<br />

height_ge0 eq.width_ge0 or2.height_ge0 or2.width_ge0 simp add: Let_def max_def)<br />

done<br />

section {* Additional simplification rules for different representations *}<br />

theorem height_ge0: "!! (bits::int) (f::wire) (a::(wire)vector) (s::(wire)vector) (d<br />

::wire) (f2::wire) (a2::(wire)vector). 0

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