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Mirrors > Home > MPE Home > Th. List > syl2anb | Structured version Visualization version GIF version |
Description: A double syllogism inference. (Contributed by NM, 29-Jul-1999.) |
Ref | Expression |
---|---|
syl2anb.1 | ⊢ (𝜑 ↔ 𝜓) |
syl2anb.2 | ⊢ (𝜏 ↔ 𝜒) |
syl2anb.3 | ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
syl2anb | ⊢ ((𝜑 ∧ 𝜏) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl2anb.2 | . 2 ⊢ (𝜏 ↔ 𝜒) | |
2 | syl2anb.1 | . . 3 ⊢ (𝜑 ↔ 𝜓) | |
3 | syl2anb.3 | . . 3 ⊢ ((𝜓 ∧ 𝜒) → 𝜃) | |
4 | 2, 3 | sylanb 584 | . 2 ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
5 | 1, 4 | sylan2b 596 | 1 ⊢ ((𝜑 ∧ 𝜏) → 𝜃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 399 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 210 df-an 400 |
This theorem is referenced by: sylancb 602 rexdifi 4073 reupick3 4240 difprsnss 4692 opthhausdorff 5372 pwssun 5421 trin2 5950 sspred 6124 fundif 6373 fnun 6434 fco 6505 f1co 6560 foco 6577 f1oun 6609 f1oco 6612 eqfnfv 6779 eqfunfv 6784 sorpsscmpl 7440 ordsucsssuc 7518 ordsucun 7520 soxp 7806 ressuppssdif 7834 wfrlem4 7941 issmo 7968 tfrlem5 7999 ener 8539 domtr 8545 unen 8579 xpdom2 8595 mapen 8665 unxpdomlem3 8708 fiin 8870 suc11reg 9066 djuunxp 9334 xpnum 9364 pm54.43 9414 r0weon 9423 fseqen 9438 kmlem9 9569 axpre-lttrn 10577 axpre-mulgt0 10579 wloglei 11161 mulnzcnopr 11275 zaddcl 12010 zmulcl 12019 qaddcl 12352 qmulcl 12354 rpaddcl 12399 rpmulcl 12400 rpdivcl 12402 xrltnsym 12518 xrlttri 12520 xmullem 12645 xmulcom 12647 xmulneg1 12650 xmulf 12653 ge0addcl 12838 ge0mulcl 12839 ge0xaddcl 12840 ge0xmulcl 12841 serge0 13420 expclzlem 13449 expge0 13461 expge1 13462 hashfacen 13808 wwlktovf1 14312 qredeu 15992 nn0gcdsq 16082 mul4sq 16280 fpwipodrs 17766 pwmnd 18094 gimco 18400 gictr 18407 symgextf1 18541 efgrelexlemb 18868 xrs1mnd 20129 lmimco 20533 lmictra 20534 cctop 21611 iscn2 21843 iscnp2 21844 paste 21899 txuni 22197 txcn 22231 txcmpb 22249 tx2ndc 22256 hmphtr 22388 snfil 22469 supfil 22500 filssufilg 22516 tsmsxp 22760 dscmet 23179 rlimcnp 25551 efnnfsumcl 25688 efchtdvds 25744 lgsne0 25919 mul2sq 26003 colinearalglem2 26701 nb3grprlem2 27171 cplgr3v 27225 crctcshwlkn0 27607 wwlksnextinj 27685 hsn0elch 29031 shscli 29100 hsupss 29124 5oalem6 29442 mdsldmd1i 30114 superpos 30137 bnj110 32240 msubco 32891 poseq 33208 frrlem4 33239 sltsolem1 33293 fnsingle 33493 funimage 33502 funpartfun 33517 bj-nnfan 34192 bj-nnfor 34194 bj-snsetex 34399 bj-snmoore 34528 difunieq 34791 riscer 35426 divrngidl 35466 nn0rppwr 39490 nn0expgcd 39492 mzpincl 39675 kelac2lem 40008 cllem0 40265 unhe1 40486 tz6.12-1-afv 43730 tz6.12-1-afv2 43797 sprsymrelf1 44013 prmdvdsfmtnof1lem2 44102 uspgrsprf1 44375 2zrngamgm 44563 2zrngmmgm 44570 rrx2xpref1o 45132 |
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