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Mirrors > Home > ILE Home > Th. List > acexmidlemab | Unicode version |
Description: Lemma for acexmid 5876. (Contributed by Jim Kingdon, 6-Aug-2019.) |
Ref | Expression |
---|---|
acexmidlem.a |
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acexmidlem.b |
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acexmidlem.c |
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Ref | Expression |
---|---|
acexmidlemab |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | noel 3428 |
. . . 4
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2 | 0ex 4132 |
. . . . . 6
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3 | 2 | snid 3625 |
. . . . 5
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4 | eleq2 2241 |
. . . . 5
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5 | 3, 4 | mpbiri 168 |
. . . 4
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6 | 1, 5 | mto 662 |
. . 3
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7 | acexmidlem.a |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
8 | acexmidlem.b |
. . . . . . . . . 10
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9 | acexmidlem.c |
. . . . . . . . . 10
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10 | 7, 8, 9 | acexmidlemph 5870 |
. . . . . . . . 9
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11 | id 19 |
. . . . . . . . . 10
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
12 | eleq1 2240 |
. . . . . . . . . . . 12
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
13 | 12 | anbi1d 465 |
. . . . . . . . . . 11
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14 | 13 | rexbidv 2478 |
. . . . . . . . . 10
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15 | 11, 14 | riotaeqbidv 5836 |
. . . . . . . . 9
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16 | 10, 15 | syl 14 |
. . . . . . . 8
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17 | 16 | eqeq1d 2186 |
. . . . . . 7
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18 | 17 | biimpa 296 |
. . . . . 6
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19 | 18 | adantrr 479 |
. . . . 5
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20 | simprr 531 |
. . . . 5
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21 | 19, 20 | eqtr3d 2212 |
. . . 4
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22 | 21 | ex 115 |
. . 3
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23 | 6, 22 | mtoi 664 |
. 2
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24 | 23 | con2i 627 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 ax-nul 4131 |
This theorem depends on definitions: df-bi 117 df-tru 1356 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-rab 2464 df-v 2741 df-dif 3133 df-nul 3425 df-sn 3600 df-uni 3812 df-iota 5180 df-riota 5833 |
This theorem is referenced by: acexmidlem1 5873 |
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