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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 5671 | . 2 ⊢ (𝐴 “ 𝐵) = ran (𝐴 ↾ 𝐵) | |
| 2 | nfima.1 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
| 3 | nfima.2 | . . . 4 ⊢ Ⅎ𝑥𝐵 | |
| 4 | 2, 3 | nfres 5988 | . . 3 ⊢ Ⅎ𝑥(𝐴 ↾ 𝐵) |
| 5 | 4 | nfrn 5946 | . 2 ⊢ Ⅎ𝑥ran (𝐴 ↾ 𝐵) |
| 6 | 1, 5 | nfcxfr 2924 | 1 ⊢ Ⅎ𝑥(𝐴 “ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: Ⅎwnfc 2911 ran crn 5659 ↾ cres 5660 “ cima 5661 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 |
| 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 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-br 5109 df-opab 5174 df-xp 5664 df-cnv 5666 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 |
| This theorem is used by: nfimad 6083 csbima12 6094 nfpred 6335 nfsup 9480 nfoi 9545 nfseq 14194 gsum2d2 20239 ptbasfi 23955 mbfposr 26028 itg1climres 26090 limciun 26269 nfseqs 28730 funimass4f 33329 poimirlem16 38822 poimirlem19 38825 aomclem8 44329 areaquad 44479 nfcoll 45501 binomcxplemdvbinom 45598 binomcxplemdvsum 45600 binomcxplemnotnn0 45601 rfcnpre1 46310 rfcnpre2 46322 smfpimcc 48091 |
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