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Mirrors > Home > MPE Home > Th. List > Mathboxes > isotone1 | Structured version Visualization version Unicode version |
Description: Two different ways to say subset relation persists across applications of a function. (Contributed by RP, 31-May-2021.) |
Ref | Expression |
---|---|
isotone1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sseq1 3626 | . . . 4 | |
2 | fveq2 6191 | . . . . 5 | |
3 | 2 | sseq1d 3632 | . . . 4 |
4 | 1, 3 | imbi12d 334 | . . 3 |
5 | sseq2 3627 | . . . 4 | |
6 | fveq2 6191 | . . . . 5 | |
7 | 6 | sseq2d 3633 | . . . 4 |
8 | 5, 7 | imbi12d 334 | . . 3 |
9 | 4, 8 | cbvral2v 3179 | . 2 |
10 | ssun1 3776 | . . . . . 6 | |
11 | simprl 794 | . . . . . . 7 | |
12 | elpwi 4168 | . . . . . . . . . . 11 | |
13 | 12 | adantr 481 | . . . . . . . . . 10 |
14 | elpwi 4168 | . . . . . . . . . . 11 | |
15 | 14 | adantl 482 | . . . . . . . . . 10 |
16 | 13, 15 | unssd 3789 | . . . . . . . . 9 |
17 | vex 3203 | . . . . . . . . . . 11 | |
18 | vex 3203 | . . . . . . . . . . 11 | |
19 | 17, 18 | unex 6956 | . . . . . . . . . 10 |
20 | 19 | elpw 4164 | . . . . . . . . 9 |
21 | 16, 20 | sylibr 224 | . . . . . . . 8 |
22 | 21 | adantl 482 | . . . . . . 7 |
23 | simpl 473 | . . . . . . 7 | |
24 | sseq1 3626 | . . . . . . . . 9 | |
25 | fveq2 6191 | . . . . . . . . . 10 | |
26 | 25 | sseq1d 3632 | . . . . . . . . 9 |
27 | 24, 26 | imbi12d 334 | . . . . . . . 8 |
28 | sseq2 3627 | . . . . . . . . 9 | |
29 | fveq2 6191 | . . . . . . . . . 10 | |
30 | 29 | sseq2d 3633 | . . . . . . . . 9 |
31 | 28, 30 | imbi12d 334 | . . . . . . . 8 |
32 | 27, 31 | rspc2va 3323 | . . . . . . 7 |
33 | 11, 22, 23, 32 | syl21anc 1325 | . . . . . 6 |
34 | 10, 33 | mpi 20 | . . . . 5 |
35 | ssun2 3777 | . . . . . 6 | |
36 | simprr 796 | . . . . . . 7 | |
37 | sseq1 3626 | . . . . . . . . 9 | |
38 | fveq2 6191 | . . . . . . . . . 10 | |
39 | 38 | sseq1d 3632 | . . . . . . . . 9 |
40 | 37, 39 | imbi12d 334 | . . . . . . . 8 |
41 | sseq2 3627 | . . . . . . . . 9 | |
42 | 29 | sseq2d 3633 | . . . . . . . . 9 |
43 | 41, 42 | imbi12d 334 | . . . . . . . 8 |
44 | 40, 43 | rspc2va 3323 | . . . . . . 7 |
45 | 36, 22, 23, 44 | syl21anc 1325 | . . . . . 6 |
46 | 35, 45 | mpi 20 | . . . . 5 |
47 | 34, 46 | unssd 3789 | . . . 4 |
48 | 47 | ralrimivva 2971 | . . 3 |
49 | ssequn1 3783 | . . . . 5 | |
50 | 2 | uneq1d 3766 | . . . . . . . . . . . 12 |
51 | uneq1 3760 | . . . . . . . . . . . . 13 | |
52 | 51 | fveq2d 6195 | . . . . . . . . . . . 12 |
53 | 50, 52 | sseq12d 3634 | . . . . . . . . . . 11 |
54 | 6 | uneq2d 3767 | . . . . . . . . . . . 12 |
55 | uneq2 3761 | . . . . . . . . . . . . 13 | |
56 | 55 | fveq2d 6195 | . . . . . . . . . . . 12 |
57 | 54, 56 | sseq12d 3634 | . . . . . . . . . . 11 |
58 | 53, 57 | rspc2va 3323 | . . . . . . . . . 10 |
59 | 58 | ancoms 469 | . . . . . . . . 9 |
60 | 59 | unssad 3790 | . . . . . . . 8 |
61 | 60 | adantr 481 | . . . . . . 7 |
62 | fveq2 6191 | . . . . . . . 8 | |
63 | 62 | adantl 482 | . . . . . . 7 |
64 | 61, 63 | sseqtrd 3641 | . . . . . 6 |
65 | 64 | ex 450 | . . . . 5 |
66 | 49, 65 | syl5bi 232 | . . . 4 |
67 | 66 | ralrimivva 2971 | . . 3 |
68 | 48, 67 | impbii 199 | . 2 |
69 | 9, 68 | bitri 264 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 wral 2912 cun 3572 wss 3574 cpw 4158 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-8 1992 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 ax-un 6949 |
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-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-iota 5851 df-fv 5896 |
This theorem is referenced by: (None) |
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