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Mirrors > Home > MPE Home > Th. List > 19.23h | Structured version Visualization version Unicode version |
Description: Theorem 19.23 of [Margaris] p. 90. See 19.23 1992. (Contributed by NM, 24-Jan-1993.) (Revised by Mario Carneiro, 24-Sep-2016.) (Proof shortened by Wolf Lammen, 1-Jan-2018.) |
Ref | Expression |
---|---|
19.23h.1 |
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Ref | Expression |
---|---|
19.23h |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.23h.1 |
. . 3
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2 | 1 | nfi 1673 |
. 2
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3 | 2 | 19.23 1992 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1668 ax-4 1681 ax-5 1757 ax-6 1804 ax-7 1850 ax-10 1914 ax-12 1932 |
This theorem depends on definitions: df-bi 189 df-an 373 df-ex 1663 df-nf 1667 |
This theorem is referenced by: equsalhw 2027 |
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