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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 5690 | . 2 ⊢ (𝐴 “ 𝐵) = ran (𝐴 ↾ 𝐵) | |
2 | nfima.1 | . . . 4 ⊢ Ⅎ𝑥𝐴 | |
3 | nfima.2 | . . . 4 ⊢ Ⅎ𝑥𝐵 | |
4 | 2, 3 | nfres 5984 | . . 3 ⊢ Ⅎ𝑥(𝐴 ↾ 𝐵) |
5 | 4 | nfrn 5952 | . 2 ⊢ Ⅎ𝑥ran (𝐴 ↾ 𝐵) |
6 | 1, 5 | nfcxfr 2902 | 1 ⊢ Ⅎ𝑥(𝐴 “ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: Ⅎwnfc 2884 ran crn 5678 ↾ cres 5679 “ cima 5680 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-rab 3434 df-v 3477 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-nul 4324 df-if 4530 df-sn 4630 df-pr 4632 df-op 4636 df-br 5150 df-opab 5212 df-xp 5683 df-cnv 5685 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 |
This theorem is referenced by: nfimad 6069 csbima12 6079 nfpred 6306 nfsup 9446 nfoi 9509 nfseq 13976 gsum2d2 19842 ptbasfi 23085 mbfposr 25169 itg1climres 25232 limciun 25411 funimass4f 31861 poimirlem16 36504 poimirlem19 36507 aomclem8 41803 areaquad 41965 nfcoll 43015 binomcxplemdvbinom 43112 binomcxplemdvsum 43114 binomcxplemnotnn0 43115 rfcnpre1 43703 rfcnpre2 43715 smfpimcc 45524 |
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