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Mirrors > Home > MPE Home > Th. List > eqsb3 | Structured version Visualization version Unicode version |
Description: Substitution applied to an atomic wff (class version of equsb3 2261). (Contributed by Rodolfo Medina, 28-Apr-2010.) |
Ref | Expression |
---|---|
eqsb3 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqsb3lem 2555 |
. . 3
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2 | 1 | sbbii 1804 |
. 2
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3 | nfv 1761 |
. . 3
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4 | 3 | sbco2 2244 |
. 2
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5 | eqsb3lem 2555 |
. 2
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6 | 2, 4, 5 | 3bitr3i 279 |
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 1669 ax-4 1682 ax-5 1758 ax-6 1805 ax-7 1851 ax-10 1915 ax-11 1920 ax-12 1933 ax-13 2091 ax-ext 2431 |
This theorem depends on definitions: df-bi 189 df-or 372 df-an 373 df-ex 1664 df-nf 1668 df-sb 1798 df-cleq 2444 |
This theorem is referenced by: pm13.183 3179 eqsbc3 3307 |
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