A few more prefixes

This commit is contained in:
Simon Foster 2020-02-20 20:09:45 +00:00
parent e1d4079c0f
commit dd5f983d70
2 changed files with 26 additions and 4 deletions

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@ -23,7 +23,6 @@ abbreviation "tonne \<equiv> 10^3 \<odot> kilogram"
subsection \<open> Examples \<close>
declare[[show_types]]
lemma "watt \<^bold>\<cdot> hour \<cong>\<^sub>Q 3600 \<odot> joule"
by (si_calc)

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@ -50,11 +50,34 @@ definition zepto :: "'a" where [si_eq]: "zepto = 1/10^21"
definition yocto :: "'a" where [si_eq]: "yocto = 1/10^24"
default_sort type
subsection \<open> Examples \<close>
lemma "2.3 \<odot> (centi \<odot> meter)\<^sup>\<three> \<cong>\<^sub>Q 2.3 \<cdot> 1/10^6 \<odot> meter\<^sup>\<three>"
lemma "2.3 \<odot> (centi \<odot> meter)\<^sup>\<three> = 2.3 \<cdot> 1/10^6 \<odot> meter\<^sup>\<three>"
by (si_simp)
lemma "1 \<odot> (centi \<odot> meter)\<^sup>-\<^sup>\<one> = 100 \<odot> meter\<^sup>-\<^sup>\<one>"
by (si_simp)
subsection \<open> Binary Prefixes \<close>
default_sort ring_char_0
definition kibi :: "'a" where [si_eq]: "kibi = 2^10"
definition mebi :: "'a" where [si_eq]: "mebi = 2^20"
definition gibi :: "'a" where [si_eq]: "gibi = 2^30"
definition tebi :: "'a" where [si_eq]: "tebi = 2^40"
definition pebi :: "'a" where [si_eq]: "pebi = 2^50"
definition exbi :: "'a" where [si_eq]: "exbi = 2^60"
definition zebi :: "'a" where [si_eq]: "zebi = 2^70"
definition yobi :: "'a" where [si_eq]: "yobi = 2^80"
default_sort type
end