Other philosopher such as Jin Yulun tried hard to confirm that inductive principle was a tautology proposition, but didn't give semantic interpretation for possible proposition.

罗素为解决休谟问题而提出归纳原则。金岳霖等人力图证明归纳原则是永真命题，但未对可能命题作出语义解释。

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"Remote presence solutions have proven their worth in the medical arena for quite some time, " said Yulun Wang, chairman and CEO of InTouch Health.

ENGADGET: FDA approves iRobot RP-VITA telepresence robot for use in hospitals