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Mirrors > Home > MPE Home > Th. List > f12dfv | Structured version Visualization version Unicode version |
Description: A one-to-one function with a domain with at least two different elements in terms of function values. (Contributed by Alexander van der Vekens, 2-Mar-2018.) |
Ref | Expression |
---|---|
f12dfv.a |
Ref | Expression |
---|---|
f12dfv |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dff14b 6528 | . 2 | |
2 | f12dfv.a | . . . . 5 | |
3 | 2 | raleqi 3142 | . . . 4 |
4 | sneq 4187 | . . . . . . . . 9 | |
5 | 4 | difeq2d 3728 | . . . . . . . 8 |
6 | fveq2 6191 | . . . . . . . . 9 | |
7 | 6 | neeq1d 2853 | . . . . . . . 8 |
8 | 5, 7 | raleqbidv 3152 | . . . . . . 7 |
9 | sneq 4187 | . . . . . . . . 9 | |
10 | 9 | difeq2d 3728 | . . . . . . . 8 |
11 | fveq2 6191 | . . . . . . . . 9 | |
12 | 11 | neeq1d 2853 | . . . . . . . 8 |
13 | 10, 12 | raleqbidv 3152 | . . . . . . 7 |
14 | 8, 13 | ralprg 4234 | . . . . . 6 |
15 | 14 | adantr 481 | . . . . 5 |
16 | 2 | difeq1i 3724 | . . . . . . . . . . 11 |
17 | difprsn1 4330 | . . . . . . . . . . 11 | |
18 | 16, 17 | syl5eq 2668 | . . . . . . . . . 10 |
19 | 18 | adantl 482 | . . . . . . . . 9 |
20 | 19 | raleqdv 3144 | . . . . . . . 8 |
21 | fveq2 6191 | . . . . . . . . . . . 12 | |
22 | 21 | neeq2d 2854 | . . . . . . . . . . 11 |
23 | 22 | ralsng 4218 | . . . . . . . . . 10 |
24 | 23 | adantl 482 | . . . . . . . . 9 |
25 | 24 | adantr 481 | . . . . . . . 8 |
26 | 20, 25 | bitrd 268 | . . . . . . 7 |
27 | 2 | difeq1i 3724 | . . . . . . . . . . 11 |
28 | difprsn2 4331 | . . . . . . . . . . 11 | |
29 | 27, 28 | syl5eq 2668 | . . . . . . . . . 10 |
30 | 29 | adantl 482 | . . . . . . . . 9 |
31 | 30 | raleqdv 3144 | . . . . . . . 8 |
32 | fveq2 6191 | . . . . . . . . . . . 12 | |
33 | 32 | neeq2d 2854 | . . . . . . . . . . 11 |
34 | 33 | ralsng 4218 | . . . . . . . . . 10 |
35 | 34 | adantr 481 | . . . . . . . . 9 |
36 | 35 | adantr 481 | . . . . . . . 8 |
37 | 31, 36 | bitrd 268 | . . . . . . 7 |
38 | 26, 37 | anbi12d 747 | . . . . . 6 |
39 | necom 2847 | . . . . . . . 8 | |
40 | 39 | biimpi 206 | . . . . . . 7 |
41 | 40 | pm4.71i 664 | . . . . . 6 |
42 | 38, 41 | syl6bbr 278 | . . . . 5 |
43 | 15, 42 | bitrd 268 | . . . 4 |
44 | 3, 43 | syl5bb 272 | . . 3 |
45 | 44 | anbi2d 740 | . 2 |
46 | 1, 45 | syl5bb 272 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wne 2794 wral 2912 cdif 3571 csn 4177 cpr 4179 wf 5884 wf1 5885 cfv 5888 |
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 ax-sep 4781 ax-nul 4789 ax-pr 4906 |
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-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fv 5896 |
This theorem is referenced by: usgr2trlncl 26656 |
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