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Mirrors > Home > MPE Home > Th. List > fviss | Structured version Visualization version Unicode version |
Description: The value of the identity function is a subset of the argument. (Contributed by Mario Carneiro, 27-Feb-2016.) |
Ref | Expression |
---|---|
fviss |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 22 | . . 3 | |
2 | elfvex 6221 | . . . 4 | |
3 | fvi 6255 | . . . 4 | |
4 | 2, 3 | syl 17 | . . 3 |
5 | 1, 4 | eleqtrd 2703 | . 2 |
6 | 5 | ssriv 3607 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wceq 1483 wcel 1990 cvv 3200 wss 3574 cid 5023 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-pow 4843 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-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-fv 5896 |
This theorem is referenced by: efglem 18129 efgtf 18135 efgtlen 18139 efginvrel2 18140 efginvrel1 18141 efgsfo 18152 efgredlemg 18155 efgredleme 18156 efgredlemd 18157 efgredlemc 18158 efgredlem 18160 efgred 18161 efgcpbllemb 18168 frgpinv 18177 frgpuplem 18185 frgpupf 18186 frgpup1 18188 |
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