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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 5644 | . 2 ⊢ (𝐴 “ ∅) = ran (𝐴 ↾ ∅) | |
| 2 | res0 5948 | . . 3 ⊢ (𝐴 ↾ ∅) = ∅ | |
| 3 | 2 | rneqi 5892 | . 2 ⊢ ran (𝐴 ↾ ∅) = ran ∅ |
| 4 | rn0 5881 | . 2 ⊢ ran ∅ = ∅ | |
| 5 | 1, 3, 4 | 3eqtri 2763 | 1 ⊢ (𝐴 “ ∅) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∅c0 4273 ran crn 5632 ↾ cres 5633 “ cima 5634 |
| 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 2708 ax-sep 5231 ax-pr 5375 |
| 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 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 df-opab 5148 df-xp 5637 df-cnv 5639 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 |
| This theorem is referenced by: csbima12 6044 relimasn 6050 elimasni 6056 inisegn0 6063 predprc 6302 dffv3 6836 suppco 8156 supp0cosupp0 8158 ecexr 8648 fodomfi 9222 imafiOLD 9226 domunfican 9232 fodomfiOLD 9240 efgrelexlema 19724 dprdsn 20013 cnindis 23257 cnhaus 23319 cmpfi 23373 xkouni 23564 xkoccn 23584 mbfima 25597 ismbf2d 25607 limcnlp 25845 mdeg0 26035 pserulm 26387 old0 27831 made0 27855 neg0s 28018 neg1s 28019 zcuts0 28400 spthispth 29792 dfpth2 29797 pthdlem2 29836 0pth 30195 1pthdlem2 30206 eupth2lemb 30307 disjpreima 32654 imadifxp 32671 2ndimaxp 32719 mptiffisupp 32766 swrdrndisj 33017 gsumpart 33124 esplyfval2 33709 zarclsint 34016 dstrvprob 34616 opelco3 35957 funpartlem 36124 poimirlem1 37942 poimirlem2 37943 poimirlem3 37944 poimirlem4 37945 poimirlem5 37946 poimirlem6 37947 poimirlem7 37948 poimirlem10 37951 poimirlem11 37952 poimirlem12 37953 poimirlem13 37954 poimirlem16 37957 poimirlem17 37958 poimirlem19 37960 poimirlem20 37961 poimirlem22 37963 poimirlem23 37964 poimirlem24 37965 poimirlem25 37966 poimirlem28 37969 poimirlem29 37970 poimirlem31 37972 he0 44211 smfresal 47216 predisj 49286 |
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