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Mirrors > Home > MPE Home > Th. List > nfima | Structured version Visualization version GIF version |
Description: Bound-variable hypothesis builder for image. (Contributed by NM, 30-Dec-1996.) (Proof shortened by Andrew Salmon, 27-Aug-2011.) |
Ref | Expression |
---|---|
nfima.1 | ⊢ Ⅎ𝑥𝐴 |
nfima.2 | ⊢ Ⅎ𝑥𝐵 |
Ref | Expression |
---|---|
nfima | ⊢ Ⅎ𝑥(𝐴 “ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-ima 5532 | . 2 ⊢ (𝐴 “ 𝐵) = ran (𝐴 ↾ 𝐵) | |
2 | nfima.1 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
3 | nfima.2 | . . . 4 ⊢ Ⅎ𝑥𝐵 | |
4 | 2, 3 | nfres 5820 | . . 3 ⊢ Ⅎ𝑥(𝐴 ↾ 𝐵) |
5 | 4 | nfrn 5788 | . 2 ⊢ Ⅎ𝑥ran (𝐴 ↾ 𝐵) |
6 | 1, 5 | nfcxfr 2953 | 1 ⊢ Ⅎ𝑥(𝐴 “ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: Ⅎwnfc 2936 ran crn 5520 ↾ cres 5521 “ cima 5522 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-rab 3115 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-xp 5525 df-cnv 5527 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 |
This theorem is referenced by: nfimad 5905 csbima12 5914 nfpred 6121 nfsup 8899 nfoi 8962 nfseq 13374 gsum2d2 19087 ptbasfi 22186 mbfposr 24256 itg1climres 24318 limciun 24497 funimass4f 30396 poimirlem16 35073 poimirlem19 35076 aomclem8 40005 areaquad 40166 nfcoll 40964 binomcxplemdvbinom 41057 binomcxplemdvsum 41059 binomcxplemnotnn0 41060 rfcnpre1 41648 rfcnpre2 41660 smfpimcc 43439 |
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