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Related theorems GIF version |
| Description: Exportation inference. |
| Ref | Expression |
|---|---|
| exp.1 | ⊢ ((φ ∧ ψ) → χ) |
| Ref | Expression |
|---|---|
| exp | ⊢ (φ → (ψ → χ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-an 198 | . . 3 ⊢ ((φ ∧ ψ) ↔ ¬ (φ → ¬ ψ)) | |
| 2 | exp.1 | . . 3 ⊢ ((φ ∧ ψ) → χ) | |
| 3 | 1, 2 | sylbir 176 | . 2 ⊢ (¬ (φ → ¬ ψ) → χ) |
| 4 | 3 | expi 125 | 1 ⊢ (φ → (ψ → χ)) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 1 → wi 2 ∧ wa 196 |
| This theorem is referenced by: exp31 293 exp32 294 exp4b 296 exp41 299 exp43 301 adantll 309 adantlr 310 adantrl 311 adantrr 312 anidms 332 sylan 343 sylan2 346 sylanc 361 pm2.61an1 364 pm2.61an2 365 anabss7 385 3imtr3g 425 ibib 448 jcad 455 elimant 505 msca 508 mpan 518 mpan2 519 mpdan 527 mpan11 529 mpan12 530 mpan21 531 mpan22 532Ä mpan121 533 biantrud 545 ecase3 559 19.21ad 741 a4c1 844 sbequ1 863 sbequi 876 hbsb4 905 ddelimf2 907 ddelimdf 909 sbcom 916 cbval2 974 cbvex2 975 sbcom2 992 sbal1 996 mo2 1026 moexex 1058 2moswap 1064 2eu2 1068 biralda 1213 birexda 1214 rgen2 1248 r19.20da 1255 rgen2a 1264 r19.21be 1269 nrexdv 1271 r19.22dva 1280 r19.23aivv 1287 r19.23advv 1288 bireudva 1317 2gencl 1366 3gencl 1367 vtocl2ga 1388 vtocl3ga 1389 ceqex 1410 sspss 1569 sspsstr 1575 psssstr 1576 reuss 1577 reupick 1578 reuhyp 1581 neldif 1594 pssdifn0 1750 prel12 1875 pwssun 1917 ssuni 1937 uniss2 1942 difex2 1951 reuuni4 1959 ssiun2 2019 iunpw 2040 opabsb 2114 sotrieq 2149 supmo 2156 supnub 2162 supsn 2168 efrirr 2180 dfwe2 2187 wefrc 2195 ordelord 2221 tz7.7 2224 onfr 2237 ordon 2238 tfi 2244 ssorduni 2249 ordtr2 2257 ordunidif 2260 onint 2261 onint0 2262 onintss 2266 oninton 2267 onnminsb 2271 oneqmini 2272 oneqmin 2273 onminex 2275 onmindif2 2313 onpwsuc 2315 ordsuc 2318 onsucmin 2323 ordsucelsuc 2324 ordtri2or2 2329 ordsucun 2333 unon 2338 limsuclem 2360 limsuc 2361 limsssuconbsp;2362 unizlim 2364 dfom2 2374 |