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authorLeah Neukirchen <leah@vuxu.org>2022-11-17 23:37:25 +0100
committerLeah Neukirchen <leah@vuxu.org>2022-11-17 23:37:25 +0100
commitbeb92ad9009f6b6a338430ba137e33201cca2230 (patch)
treef1ec893dff80a389cb6594f0cec2b35d8930a41b /mew.svnwiki
parent78ebb6e306d843bb45c0baad563be37828d32fae (diff)
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add imp
Diffstat (limited to 'mew.svnwiki')
-rw-r--r--mew.svnwiki6
1 files changed, 6 insertions, 0 deletions
diff --git a/mew.svnwiki b/mew.svnwiki
index aaebac3..3968b98 100644
--- a/mew.svnwiki
+++ b/mew.svnwiki
@@ -254,6 +254,12 @@ Returns true if {{<va>}} is an unspecified value, else false.
 
 Like {{fold}}/{{fold-right}}, but collects all accumulator values.
 
+<syntax>(imp <antedecent>... <consequent>)<syntax>
+
+Material implication: evaluate {{<antedecent>...}} until one is false,
+then shortcut and return true.  If all {{<antedecent>...}} are true,
+evaluate {{<consequent>}}.
+
 
 == I/O helpers