60 lines
1.2 KiB
Text
60 lines
1.2 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.delayed_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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get_local `H1 >>= revert,
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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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H1 ← get_local `H1, H2 ← get_local `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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get_local `p >>= revert,
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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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