59 lines
1.1 KiB
Text
59 lines
1.1 KiB
Text
set_option pp.all true
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open tactic name list
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set_option pp.goal.compact true
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set_option pp.binder_types true
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set_option pp.lazy_abstraction true
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example : ∀ (p : Prop), p → p → p :=
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by do
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intro_lst ["_", "H1", "H2"],
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trace_state,
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trace_result,
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trace "---------",
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revert "H1",
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trace_state,
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trace_result,
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intro "H3",
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trace_result,
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assumption,
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trace_result,
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return ()
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print "====================="
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example : ∀ (p : Prop), p → p → p :=
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by do
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intro_lst ["_", "H1", "H2"],
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revert_lst ["H1", "H2"],
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trace_state,
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trace_result,
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intro "H3",
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trace_state,
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trace "------------",
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trace_result,
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(assumption <|> trace "assumption failed"),
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intro "H4",
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assumption,
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trace "------------",
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trace_result,
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return ()
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print "====================="
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example : ∀ (p : Prop), p → p → p :=
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by do
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intros,
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revert "p",
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trace_state,
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trace_result,
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trace "----------",
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intro "p",
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trace_state,
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trace_result,
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trace "----------",
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intro_lst ["H1", "H2"],
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assumption,
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trace_result,
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return ()
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