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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 5637 | . 2 ⊢ (𝐴 “ ∅) = ran (𝐴 ↾ ∅) | |
| 2 | res0 5942 | . . 3 ⊢ (𝐴 ↾ ∅) = ∅ | |
| 3 | 2 | rneqi 5886 | . 2 ⊢ ran (𝐴 ↾ ∅) = ran ∅ |
| 4 | rn0 5875 | . 2 ⊢ ran ∅ = ∅ | |
| 5 | 1, 3, 4 | 3eqtri 2764 | 1 ⊢ (𝐴 “ ∅) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∅c0 4274 ran crn 5625 ↾ cres 5626 “ cima 5627 |
| 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 5231 ax-pr 5370 |
| 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 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-xp 5630 df-cnv 5632 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 |
| This theorem is referenced by: csbima12 6038 relimasn 6044 elimasni 6050 inisegn0 6057 predprc 6296 dffv3 6830 suppco 8149 supp0cosupp0 8151 ecexr 8641 fodomfi 9215 imafiOLD 9219 domunfican 9225 fodomfiOLD 9233 efgrelexlema 19715 dprdsn 20004 cnindis 23267 cnhaus 23329 cmpfi 23383 xkouni 23574 xkoccn 23594 mbfima 25607 ismbf2d 25617 limcnlp 25855 mdeg0 26045 pserulm 26400 old0 27845 made0 27869 neg0s 28032 neg1s 28033 zcuts0 28414 spthispth 29807 dfpth2 29812 pthdlem2 29851 0pth 30210 1pthdlem2 30221 eupth2lemb 30322 disjpreima 32669 imadifxp 32686 2ndimaxp 32734 mptiffisupp 32781 swrdrndisj 33032 gsumpart 33139 esplyfval2 33724 zarclsint 34032 dstrvprob 34632 opelco3 35973 funpartlem 36140 poimirlem1 37956 poimirlem2 37957 poimirlem3 37958 poimirlem4 37959 poimirlem5 37960 poimirlem6 37961 poimirlem7 37962 poimirlem10 37965 poimirlem11 37966 poimirlem12 37967 poimirlem13 37968 poimirlem16 37971 poimirlem17 37972 poimirlem19 37974 poimirlem20 37975 poimirlem22 37977 poimirlem23 37978 poimirlem24 37979 poimirlem25 37980 poimirlem28 37983 poimirlem29 37984 poimirlem31 37986 he0 44229 smfresal 47234 predisj 49298 |
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