log a/b-c log b/c-a log c/a-b
log a/b-c log b/c-a log c/a-b, a log b + a log c, log a/b + log b/a log a+b, log x/b-c logy/c-a logz/a-b, log b/a, if loga/b-c logb/c-a logc/a-b
log a/b-c log b/c-a log c/a-b. There are any references about log a/b-c log b/c-a log c/a-b in here. you can look below.
log a/b-c log b/c-a log c/a-b
a log b + a log c
log a/b + log b/a log a+b
log x/b-c logy/c-a logz/a-b
log b/a
if loga/b-c logb/c-a logc/a-b
log a/b-c log b/c-a log c/a-b, a log b + a log c, log a/b + log b/a log a+b, log x/b-c logy/c-a logz/a-b, log b/a, if loga/b-c logb/c-a logc/a-b