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Mathbox for Andrew Salmon |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > pm11.58 | Structured version Visualization version Unicode version |
Description: Theorem *11.58 in [WhiteheadRussell] p. 165. (Contributed by Andrew Salmon, 24-May-2011.) |
Ref | Expression |
---|---|
pm11.58 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 19.8a 1955 |
. . . . 5
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2 | nfv 1769 |
. . . . . 6
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3 | 2 | sb8e 2274 |
. . . . 5
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4 | 1, 3 | sylib 201 |
. . . 4
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5 | 4 | pm4.71i 644 |
. . 3
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6 | 19.42v 1842 |
. . 3
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7 | 5, 6 | bitr4i 260 |
. 2
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8 | 7 | exbii 1726 |
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 1677 ax-4 1690 ax-5 1766 ax-6 1813 ax-7 1859 ax-10 1932 ax-11 1937 ax-12 1950 ax-13 2104 |
This theorem depends on definitions: df-bi 190 df-an 378 df-ex 1672 df-nf 1676 df-sb 1806 |
This theorem is referenced by: (None) |
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