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| Mirrors > Home > MPE Home > Th. List > ima0 | Structured version Visualization version GIF version | ||
| Description: Image of the empty set. Theorem 3.16(ii) of [Monk1] p. 38. (Contributed by NM, 20-May-1998.) |
| Ref | Expression |
|---|---|
| ima0 | ⊢ (𝐴 “ ∅) = ∅ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ima 5645 | . 2 ⊢ (𝐴 “ ∅) = ran (𝐴 ↾ ∅) | |
| 2 | res0 5950 | . . 3 ⊢ (𝐴 ↾ ∅) = ∅ | |
| 3 | 2 | rneqi 5894 | . 2 ⊢ ran (𝐴 ↾ ∅) = ran ∅ |
| 4 | rn0 5883 | . 2 ⊢ ran ∅ = ∅ | |
| 5 | 1, 3, 4 | 3eqtri 2764 | 1 ⊢ (𝐴 “ ∅) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∅c0 4287 ran crn 5633 ↾ cres 5634 “ cima 5635 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 ax-sep 5243 ax-pr 5379 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-opab 5163 df-xp 5638 df-cnv 5640 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 |
| This theorem is referenced by: csbima12 6046 relimasn 6052 elimasni 6058 inisegn0 6065 predprc 6304 dffv3 6838 suppco 8158 supp0cosupp0 8160 ecexr 8650 fodomfi 9224 imafiOLD 9228 domunfican 9234 fodomfiOLD 9242 efgrelexlema 19690 dprdsn 19979 cnindis 23248 cnhaus 23310 cmpfi 23364 xkouni 23555 xkoccn 23575 mbfima 25599 ismbf2d 25609 limcnlp 25847 mdeg0 26043 pserulm 26399 old0 27847 made0 27871 neg0s 28034 neg1s 28035 zcuts0 28416 spthispth 29809 dfpth2 29814 pthdlem2 29853 0pth 30212 1pthdlem2 30223 eupth2lemb 30324 disjpreima 32670 imadifxp 32687 2ndimaxp 32735 mptiffisupp 32782 swrdrndisj 33049 gsumpart 33156 esplyfval2 33741 zarclsint 34049 dstrvprob 34649 opelco3 35988 funpartlem 36155 poimirlem1 37866 poimirlem2 37867 poimirlem3 37868 poimirlem4 37869 poimirlem5 37870 poimirlem6 37871 poimirlem7 37872 poimirlem10 37875 poimirlem11 37876 poimirlem12 37877 poimirlem13 37878 poimirlem16 37881 poimirlem17 37882 poimirlem19 37884 poimirlem20 37885 poimirlem22 37887 poimirlem23 37888 poimirlem24 37889 poimirlem25 37890 poimirlem28 37893 poimirlem29 37894 poimirlem31 37896 he0 44134 smfresal 47140 predisj 49164 |
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