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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 5663 | . 2 ⊢ (𝐴 “ 𝐵) = ran (𝐴 ↾ 𝐵) | |
| 2 | nfima.1 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfima.2 | . . . 4 ⊢ Ⅎ𝑥𝐵 | |
| 4 | 2, 3 | nfres 5971 | . . 3 ⊢ Ⅎ𝑥(𝐴 ↾ 𝐵) |
| 5 | 4 | nfrn 5933 | . 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 5651 ↾ cres 5652 “ cima 5653 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-br 5103 df-opab 5167 df-xp 5656 df-cnv 5658 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 |
| This theorem is used by: nfimad 6064 csbima12 6075 nfpred 6309 nfsup 9447 nfoi 9512 nfseq 14158 gsum2d2 20194 ptbasfi 23906 mbfposr 25979 itg1climres 26041 limciun 26220 nfseqs 28679 funimass4f 33279 poimirlem16 38648 poimirlem19 38651 aomclem8 44157 areaquad 44312 nfcoll 45334 binomcxplemdvbinom 45431 binomcxplemdvsum 45433 binomcxplemnotnn0 45434 rfcnpre1 46130 rfcnpre2 46142 smfpimcc 47912 |
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