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Mirrors > Home > MPE Home > Th. List > eulplig | Structured version Visualization version Unicode version |
Description: Through two distinct points of a planar incidence geometry, there is a unique line. (Contributed by BJ, 2-Dec-2021.) |
Ref | Expression |
---|---|
eulplig.1 |
Ref | Expression |
---|---|
eulplig |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eulplig.1 | . . . . 5 | |
2 | 1 | isplig 27328 | . . . 4 |
3 | 2 | ibi 256 | . . 3 |
4 | simp1 1061 | . . 3 | |
5 | simpl 473 | . . . . . . . . 9 | |
6 | simpr 477 | . . . . . . . . 9 | |
7 | 5, 6 | neeq12d 2855 | . . . . . . . 8 |
8 | eleq1 2689 | . . . . . . . . . 10 | |
9 | eleq1 2689 | . . . . . . . . . 10 | |
10 | 8, 9 | bi2anan9 917 | . . . . . . . . 9 |
11 | 10 | reubidv 3126 | . . . . . . . 8 |
12 | 7, 11 | imbi12d 334 | . . . . . . 7 |
13 | 12 | rspc2gv 3321 | . . . . . 6 |
14 | 13 | com23 86 | . . . . 5 |
15 | 14 | imp 445 | . . . 4 |
16 | 15 | com12 32 | . . 3 |
17 | 3, 4, 16 | 3syl 18 | . 2 |
18 | 17 | imp 445 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wa 384 w3a 1037 wceq 1483 wcel 1990 wne 2794 wral 2912 wrex 2913 wreu 2914 cuni 4436 cplig 27326 |
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-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-v 3202 df-uni 4437 df-plig 27327 |
This theorem is referenced by: (None) |
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