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Mirrors > Home > MPE Home > Th. List > php2 | Structured version Visualization version Unicode version |
Description: Corollary of Pigeonhole Principle. (Contributed by NM, 31-May-1998.) |
Ref | Expression |
---|---|
php2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eleq1 2689 | . . . . 5 | |
2 | psseq2 3695 | . . . . 5 | |
3 | 1, 2 | anbi12d 747 | . . . 4 |
4 | breq2 4657 | . . . 4 | |
5 | 3, 4 | imbi12d 334 | . . 3 |
6 | vex 3203 | . . . . . 6 | |
7 | pssss 3702 | . . . . . 6 | |
8 | ssdomg 8001 | . . . . . 6 | |
9 | 6, 7, 8 | mpsyl 68 | . . . . 5 |
10 | 9 | adantl 482 | . . . 4 |
11 | php 8144 | . . . . 5 | |
12 | ensym 8005 | . . . . 5 | |
13 | 11, 12 | nsyl 135 | . . . 4 |
14 | brsdom 7978 | . . . 4 | |
15 | 10, 13, 14 | sylanbrc 698 | . . 3 |
16 | 5, 15 | vtoclg 3266 | . 2 |
17 | 16 | anabsi5 858 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wa 384 wceq 1483 wcel 1990 cvv 3200 wss 3574 wpss 3575 class class class wbr 4653 com 7065 cen 7952 cdom 7953 csdm 7954 |
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-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 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-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-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-om 7066 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 |
This theorem is referenced by: php4 8147 nndomo 8154 |
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