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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 5658 | . 2 ⊢ (𝐴 “ ∅) = ran (𝐴 ↾ ∅) | |
| 2 | res0 5967 | . . 3 ⊢ (𝐴 ↾ ∅) = ∅ | |
| 3 | 2 | rneqi 5911 | . 2 ⊢ ran (𝐴 ↾ ∅) = ran ∅ |
| 4 | rn0 5900 | . 2 ⊢ ran ∅ = ∅ | |
| 5 | 1, 3, 4 | 3eqtri 2788 | 1 ⊢ (𝐴 “ ∅) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1559 ∅c0 4285 ran crn 5646 ↾ cres 5647 “ cima 5648 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 ax-sep 5245 ax-pr 5389 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3455 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-opab 5162 df-xp 5651 df-cnv 5653 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 |
| This theorem is referenced by: csbima12 6065 relimasn 6071 elimasni 6077 inisegn0 6084 predprc 6321 dffv3 6859 suppco 8181 supp0cosupp0 8183 ecexr 8678 fodomfi 9252 imafiOLD 9256 domunfican 9262 fodomfiOLD 9270 efgrelexlema 19772 dprdsn 20061 cnindis 23332 cnhaus 23394 cmpfi 23448 xkouni 23639 xkoccn 23659 mbfima 25672 ismbf2d 25682 limcnlp 25920 mdeg0 26110 pserulm 26462 old0 27909 made0 27933 neg0s 28096 neg1s 28097 zcuts0 28478 spthispth 29870 dfpth2 29875 pthdlem2 29914 0pth 30273 1pthdlem2 30284 eupth2lemb 30385 disjpreima 32733 imadifxp 32750 2ndimaxp 32798 mptiffisupp 32845 swrdrndisj 33096 gsumpart 33204 esplyfval2 33823 zarclsint 34130 dstrvprob 34730 opelco3 36089 funpartlem 36256 poimirlem1 38084 poimirlem2 38085 poimirlem3 38086 poimirlem4 38087 poimirlem5 38088 poimirlem6 38089 poimirlem7 38090 poimirlem10 38093 poimirlem11 38094 poimirlem12 38095 poimirlem13 38096 poimirlem16 38099 poimirlem17 38100 poimirlem19 38102 poimirlem20 38103 poimirlem22 38105 poimirlem23 38106 poimirlem24 38107 poimirlem25 38108 poimirlem28 38111 poimirlem29 38112 poimirlem31 38114 he0 44324 smfresal 47326 predisj 49396 |
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