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You asked:

Who discovered Australia?

Willem Janszoon

Willem Janszoon (c. 1570 – 1630), Dutch navigator and colonial governor, the first European known to have seen the coast of Australia

wikipedia

Robert H. McNaught

Robert H. McNaught, the Australian astronomer at the Research School of Astronomy and Astrophysics of the Australian National University

wikipedia

Who is someone who first discovered the object Australia, officially the Commonwealth of Australia, the country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans?

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I followed this chain of reasoning:

By calculation (generator: ["now@trueknowledge.com"]) I know that:
The current time is February 13th 2012, 06:15:24

I know from locally stored knowledge that:
Fact 1: Australia is discovered by Robert H. McNaught ([fact: ["1132940550@trueknowledge.com"]])

By calculation (generator: ["perm5@trueknowledge.com"]) I know that:
Fact 1 is true for all time

By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 1 is true at February 13th 2012, 06:15:24

I know from locally stored knowledge that:
Robert H. McNaught is a person ([fact: ["19520303@trueknowledge.com"]])

person is a subclass of human being, organisation or other legal person ([fact: ["1131949@trueknowledge.com"]])

By calculation (generator: ["instance_agreement_making_entity@trueknowledge.com"]) I know that:
Robert H. McNaught is a human being, organisation or other legal person

I know from locally stored knowledge that:
permanent applies to is discovered by ([fact: ["123911666@trueknowledge.com"]])

Fact 2: Australia is discovered by Willem Janszoon ([fact: ["431985860@trueknowledge.com"]])

By calculation (generator: ["perm5@trueknowledge.com"]) I know that:
Fact 2 is true for all time

By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:
Fact 2 is true at February 13th 2012, 06:15:24

I know from locally stored knowledge that:
Willem Janszoon is a person ([fact: ["124229859@trueknowledge.com"]])

By calculation (generator: ["instance_agreement_making_entity@trueknowledge.com"]) I know that:
Willem Janszoon is a human being, organisation or other legal person

I used the following facts to provide this answer:

Australia is discovered by Robert H. McNaught

agree disagree edit

Robert H. McNaught is a person

agree disagree edit

'is discovered by' is permanent

agree disagree edit

Australia is discovered by Willem Janszoon

agree disagree edit

Willem Janszoon is a person

agree disagree edit

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