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Loglan/The Power of Little Words/Logical Operators and Connections/IF and only IF
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The IF and only IF operator
o
The little word o means if and only if. We can use it to link predicates together.
Examples
mi godzi o dzoru - I go if and only if I walk
mi clivi o brute - I am alive if and only if I breath
co, ko, onoi and ico
We can extend the basic little word o for connecting arguments ans sentences.
co - links arguments together
ko - the forethought equivalent and works with ki
onoi - the exclusive OR (XOR) operator that means a XOR b but not both
ico - links sentences
Examples
co
mi hapci co crano pernu - I am a happy (if and only if smiling) person
da nakso le bakso co kuvbao - Someone fix the box if and only chest
ko
mi ko hapci ki crano gu pernu - I am a happy (if and only if smiling) person
onoi
le crina onoi le solflo gu tetri - the weather is either raining or sunny but not both
mi kamla le fusto onoi le livhao - I come to the office or the home but not both
ico
mi klama le fusto ico klama le livhao - I come to the office or I come to the home but not both