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| Mirrors > Home > MPE Home > Th. List > syl6com | Structured version Visualization version GIF version | ||
| Description: Syllogism inference with commuted antecedents. (Contributed by NM, 25-May-2005.) |
| Ref | Expression |
|---|---|
| syl6com.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| syl6com.2 | ⊢ (𝜒 → 𝜃) |
| Ref | Expression |
|---|---|
| syl6com | ⊢ (𝜓 → (𝜑 → 𝜃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | syl6com.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 2 | syl6com.2 | . . 3 ⊢ (𝜒 → 𝜃) | |
| 3 | 1, 2 | syl6 36 | . 2 ⊢ (𝜑 → (𝜓 → 𝜃)) |
| 4 | 3 | com12 33 | 1 ⊢ (𝜓 → (𝜑 → 𝜃)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 |
| This theorem is used by: 19.33b 1917 19.36imv 1977 sbequ2 2284 nfeqf2 2406 ax6e 2412 axc16i 2465 mo4 2591 rgen2a 3356 sbccomlem 3816 rspn0 4303 wefrc 5644 elinxp 6007 sorpssuni 7748 sorpssint 7749 ordzsl 7856 limuni3 7863 funcnvuni 7944 funrnex 7966 soxp 8141 frrlem4 8308 oaabs 8658 eceqoveq 8844 pssinf 9254 unbnn2 9290 inf0 9623 inf3lem5 9634 tcel 9745 frmin 9754 rankxpsuc 9900 carduni 10063 prdom2 10086 dfac5 10208 cflm 10328 indpi 10993 prlem934 11119 negf1o 11747 xrub 13443 injresinjlem 13926 hashgt12el 14568 hashgt12el2 14569 fi1uzind 14653 swrdwrdsymb 14813 cshwcsh2id 14980 cshwshash 17283 lidrididd 18852 dfgrp2 19174 symgextf1 19636 rngdi 20383 rngdir 20384 gsummoncoe1 22627 basis2 23270 fbdmn0 24154 rusgr1vtxlem 30169 upgrewlkle2 30188 clwwlknun 30704 conngrv2edg 30797 frcond1 30868 4cyclusnfrgr 30894 atcv0eq 32982 dfon2lem9 36628 altopthsn 36801 rankeq1o 37007 mh-inf3f1 37404 wl-orel12 38519 wl-equsb4 38565 rngoueqz 38950 hbtlem5 44206 ntrk0kbimka 45115 funressnfv 48189 afvco2 48322 ndmaovcl 48349 bgoldbtbndlem4 48982 isubgr3stgrlem4 49143 zlmodzxznm 49685 |
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