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Mirrors > Home > ILE Home > Th. List > anidms | GIF version |
Description: Inference from idempotent law for conjunction. (Contributed by NM, 15-Jun-1994.) |
Ref | Expression |
---|---|
anidms.1 | ⊢ ((𝜑 ∧ 𝜑) → 𝜓) |
Ref | Expression |
---|---|
anidms | ⊢ (𝜑 → 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anidms.1 | . . 3 ⊢ ((𝜑 ∧ 𝜑) → 𝜓) | |
2 | 1 | ex 114 | . 2 ⊢ (𝜑 → (𝜑 → 𝜓)) |
3 | 2 | pm2.43i 49 | 1 ⊢ (𝜑 → 𝜓) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia3 107 |
This theorem is referenced by: sylancb 415 sylancbr 416 intsng 3852 pwnss 4132 posng 4670 sqxpexg 4714 xpid11 4821 resiexg 4923 f1mpt 5733 f1eqcocnv 5753 isopolem 5784 poxp 6191 nnmsucr 6447 erex 6516 ecopover 6590 ecopoverg 6593 enrefg 6721 3xpfi 6887 ltsopi 7252 recexnq 7322 ltsonq 7330 ltaddnq 7339 nsmallnqq 7344 ltpopr 7527 ltposr 7695 1idsr 7700 00sr 7701 axltirr 7956 leid 7973 reapirr 8466 inelr 8473 apsqgt0 8490 apirr 8494 msqge0 8505 recextlem1 8539 recexaplem2 8540 recexap 8541 div1 8590 cju 8847 2halves 9077 msqznn 9282 xrltnr 9706 xrleid 9727 iooidg 9836 iccid 9852 m1expeven 10492 expubnd 10502 sqneg 10504 sqcl 10506 sqap0 10511 nnsqcl 10514 qsqcl 10516 subsq2 10552 bernneq 10564 faclbnd 10643 faclbnd3 10645 cjmulval 10816 sin2t 11676 cos2t 11677 gcd0id 11897 lcmid 11991 lcmgcdeq 11994 idcn 12753 ismet 12885 isxmet 12886 resubmet 13089 bj-snexg 13629 |
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