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Mirrors > Home > MPE Home > Th. List > rspc2gv | Structured version Visualization version Unicode version |
Description: Restricted specialization with two quantifiers, using implicit substitution. (Contributed by BJ, 2-Dec-2021.) |
Ref | Expression |
---|---|
rspc2gv.1 |
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Ref | Expression |
---|---|
rspc2gv |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ral 2917 |
. 2
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2 | df-ral 2917 |
. . . . 5
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3 | 2 | imbi2i 326 |
. . . 4
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4 | 3 | albii 1747 |
. . 3
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5 | 19.21v 1868 |
. . . . . 6
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6 | 5 | bicomi 214 |
. . . . 5
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7 | 6 | albii 1747 |
. . . 4
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8 | impexp 462 |
. . . . . . 7
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9 | eleq1 2689 |
. . . . . . . . 9
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10 | eleq1 2689 |
. . . . . . . . 9
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11 | 9, 10 | bi2anan9 917 |
. . . . . . . 8
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12 | rspc2gv.1 |
. . . . . . . 8
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13 | 11, 12 | imbi12d 334 |
. . . . . . 7
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14 | 8, 13 | syl5bbr 274 |
. . . . . 6
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15 | 14 | spc2gv 3296 |
. . . . 5
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16 | 15 | pm2.43a 54 |
. . . 4
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17 | 7, 16 | syl5bi 232 |
. . 3
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18 | 4, 17 | syl5bi 232 |
. 2
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19 | 1, 18 | syl5bi 232 |
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 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-ral 2917 df-v 3202 |
This theorem is referenced by: eulplig 27337 |
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