Gerwin Klein
1d2e75fd81
word_lib: lemma to turn < into bitwise reasoning
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word_less_bit_eq turns `<` into a bitwise expression on abstract word
length to make it easier to reason about the relationship of < and bit
operations (boolean, but also shift etc).
Signed-off-by: Gerwin Klein <gerwin.klein@proofcraft.systems>
2023-04-11 13:17:54 +10:00
Gerwin Klein
e101f37cfc
isabelle2022: import Word_Lib AFP changes
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Signed-off-by: Gerwin Klein <gerwin.klein@proofcraft.systems>
2022-11-09 11:45:46 +11:00
Gerwin Klein
65fbeb5b01
isabelle2021-1 word_lib: add lemmas from l4v
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Signed-off-by: Gerwin Klein <gerwin.klein@proofcraft.systems>
2022-03-29 08:38:25 +11:00
Gerwin Klein
1b15714cbf
isabelle2021-1: sync Word_Lib from afp
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Signed-off-by: Gerwin Klein <gerwin.klein@proofcraft.systems>
2022-03-29 08:38:25 +11:00
Gerwin Klein
8715767431
word_lib: reduce warnings
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Signed-off-by: Gerwin Klein <gerwin.klein@data61.csiro.au>
2021-09-30 16:53:17 +10:00
Gerwin Klein
dadb0b9f0a
isabelle-2021: sync Word_Lib from AFP
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Signed-off-by: Gerwin Klein <gerwin.klein@data61.csiro.au>
2021-09-30 16:53:17 +10:00