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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 5668 | . 2 ⊢ (𝐴 “ 𝐵) = ran (𝐴 ↾ 𝐵) | |
| 2 | nfima.1 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfima.2 | . . . 4 ⊢ Ⅎ𝑥𝐵 | |
| 4 | 2, 3 | nfres 5974 | . . 3 ⊢ Ⅎ𝑥(𝐴 ↾ 𝐵) |
| 5 | 4 | nfrn 5936 | . 2 ⊢ Ⅎ𝑥ran (𝐴 ↾ 𝐵) |
| 6 | 1, 5 | nfcxfr 2920 | 1 ⊢ Ⅎ𝑥(𝐴 “ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: Ⅎwnfc 2907 ran crn 5656 ↾ cres 5657 “ cima 5658 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-xp 5661 df-cnv 5663 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 |
| This theorem is used by: nfimad 6065 csbima12 6075 nfpred 6304 nfsup 9421 nfoi 9486 nfseq 14075 gsum2d2 20101 ptbasfi 23807 mbfposr 25880 itg1climres 25942 limciun 26121 nfseqs 28552 funimass4f 33110 poimirlem16 38385 poimirlem19 38388 aomclem8 43902 areaquad 44057 nfcoll 45080 binomcxplemdvbinom 45177 binomcxplemdvsum 45179 binomcxplemnotnn0 45180 rfcnpre1 45853 rfcnpre2 45865 smfpimcc 47636 |
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