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| Mirrors > Home > MPE Home > Th. List > abssi | Structured version Visualization version GIF version | ||
| Description: Inference of abstraction subclass from implication. (Contributed by NM, 20-Jan-2006.) |
| Ref | Expression |
|---|---|
| abssi.1 | ⊢ (𝜑 → 𝑥 ∈ 𝐴) |
| Ref | Expression |
|---|---|
| abssi | ⊢ {𝑥 ∣ 𝜑} ⊆ 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | abssi.1 | . . 3 ⊢ (𝜑 → 𝑥 ∈ 𝐴) | |
| 2 | 1 | ss2abi 4014 | . 2 ⊢ {𝑥 ∣ 𝜑} ⊆ {𝑥 ∣ 𝑥 ∈ 𝐴} |
| 3 | abid2 2898 | . 2 ⊢ {𝑥 ∣ 𝑥 ∈ 𝐴} = 𝐴 | |
| 4 | 2, 3 | sseqtri 3979 | 1 ⊢ {𝑥 ∣ 𝜑} ⊆ 𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 {cab 2739 ⊆ wss 3899 |
| 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-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-ss 3916 |
| This theorem is used by: ssab2 4027 intab 4938 opabss 5169 abex 5288 relopabiALT 5801 exse2 7929 opiota 8070 mpoexw 8091 fsplitfpar 8129 tfrlem8 8392 fiprc 9072 fival 9404 hartogslem1 9536 dmttrcl 9722 rnttrcl 9723 tz9.12lem1 9794 rankuni 9879 scott0b 9937 scott0OLD 9938 r0weon 10091 alephval3 10189 aceq3lem 10199 dfac5lem4 10205 dfac2b 10209 cff 10325 cfsuc 10335 cff1 10336 cflim2 10341 cfss 10343 axdc3lem 10528 axdclem 10597 gruina 10903 nqpr 11099 infcvgaux1i 16026 4sqlem1 17126 sscpwex 17990 cssval 21988 topnex 23314 islocfin 23836 hauspwpwf1 24306 itg2lcl 26048 2sqlem7 27751 cutsf 28178 isismt 28997 nmcexi 32628 opabssi 33207 lsmsnorb 33946 dispcmp 34491 cnre2csqima 34543 mppspstlem 36336 colinearex 36825 itg2addnclem 38589 itg2addnc 38592 dfprop1 38645 eldiophb 43767 |
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