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Mirrors > Home > ILE Home > Th. List > acexmidlemab | Unicode version |
Description: Lemma for acexmid 5895. (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 3441 |
. . . 4
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2 | 0ex 4145 |
. . . . . 6
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3 | 2 | snid 3638 |
. . . . 5
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4 | eleq2 2253 |
. . . . 5
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5 | 3, 4 | mpbiri 168 |
. . . 4
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6 | 1, 5 | mto 663 |
. . 3
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7 | acexmidlem.a |
. . . . . . . . . 10
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8 | acexmidlem.b |
. . . . . . . . . 10
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9 | acexmidlem.c |
. . . . . . . . . 10
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10 | 7, 8, 9 | acexmidlemph 5889 |
. . . . . . . . 9
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11 | id 19 |
. . . . . . . . . 10
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12 | eleq1 2252 |
. . . . . . . . . . . 12
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13 | 12 | anbi1d 465 |
. . . . . . . . . . 11
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14 | 13 | rexbidv 2491 |
. . . . . . . . . 10
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15 | 11, 14 | riotaeqbidv 5855 |
. . . . . . . . 9
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16 | 10, 15 | syl 14 |
. . . . . . . 8
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17 | 16 | eqeq1d 2198 |
. . . . . . 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 2224 |
. . . 4
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22 | 21 | ex 115 |
. . 3
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23 | 6, 22 | mtoi 665 |
. 2
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24 | 23 | con2i 628 |
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 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2171 ax-nul 4144 |
This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ral 2473 df-rex 2474 df-rab 2477 df-v 2754 df-dif 3146 df-nul 3438 df-sn 3613 df-uni 3825 df-iota 5196 df-riota 5852 |
This theorem is referenced by: acexmidlem1 5892 |
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