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Related theorems Unicode version |
| Description: For any line, there exists a point not on the line. (Contributed by Jeff Hankins, 15-Aug-2009.) |
| Ref | Expression |
|---|---|
| lpni.1 |
|
| Ref | Expression |
|---|---|
| lpni |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lpni.1 |
. . . 4
| |
| 2 | 1 | tncp 10346 |
. . 3
|
| 3 | eleq2 1958 |
. . . . . . . . . 10
| |
| 4 | eleq2 1958 |
. . . . . . . . . 10
| |
| 5 | eleq2 1958 |
. . . . . . . . . 10
| |
| 6 | 3, 4, 5 | 3anbi123d 1168 |
. . . . . . . . 9
|
| 7 | 6 | notbid 673 |
. . . . . . . 8
|
| 8 | 7 | rcla4cv 2377 |
. . . . . . 7
|
| 9 | eleq1 1957 |
. . . . . . . . . . . 12
| |
| 10 | 9 | notbid 673 |
. . . . . . . . . . 11
|
| 11 | 10 | rcla4ev 2381 |
. . . . . . . . . 10
|
| 12 | 11 | ex 402 |
. . . . . . . . 9
|
| 13 | eleq1 1957 |
. . . . . . . . . . . 12
| |
| 14 | 13 | notbid 673 |
. . . . . . . . . . 11
|
| 15 | 14 | rcla4ev 2381 |
. . . . . . . . . 10
|
| 16 | 15 | ex 402 |
. . . . . . . . 9
|
| 17 | eleq1 1957 |
. . . . . . . . . . . 12
| |
| 18 | 17 | notbid 673 |
. . . . . . . . . . 11
|
| 19 | 18 | rcla4ev 2381 |
. . . . . . . . . 10
|
| 20 | 19 | ex 402 |
. . . . . . . . 9
|
| 21 | 12, 16, 20 | 3jaao 1164 |
. . . . . . . 8
|
| 22 | 3ianor 870 |
. . . . . . . 8
| |
| 23 | df-nel 2020 |
. . . . . . . . 9
| |
| 24 | 23 | rexbii 2128 |
. . . . . . . 8
|
| 25 | 21, 22, 24 | 3imtr4g 612 |
. . . . . . 7
|
| 26 | 8, 25 | syl9r 72 |
. . . . . 6
|
| 27 | 26 | 3expia 1069 |
. . . . 5
|
| 28 | 27 | r19.23adv 2215 |
. . . 4
|
| 29 | 28 | r19.23aivv 2217 |
. . 3
|
| 30 | 2, 29 | syl 12 |
. 2
|
| 31 | 30 | imp 377 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-clab 1872 df-cleq 1877 df-clel 1880 df-nel 2020 df-ral 2109 df-rex 2110 df-reu 2111 df-v 2294 df-uni 3178 df-plig 10344 |